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Finding the Fourth Proportional to 525,728.70, 788,787.45 and 170,754.30

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Solution

The fourth proportional to 525,728.70, 788,787.45 and 170,754.30 is: 256,194.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,728.70 : 788,787.45 = 170,754.30 : x
  2. Step 2: Convert to fraction form
    525,728.70/788,787.45 = 170,754.30/x
  3. Step 3: Cross multiply
    525,728.70x = 788,787.45 × 170,754.30
  4. Step 4: Simplify right side
    525,728.70x = 134,688,848,873.54
  5. Step 5: Solve for x
    x = 134,688,848,873.54/525,728.70
  6. Step 6: Final answer
    x = 256,194.59

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