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Finding the Fourth Proportional to 70,657.16, 105,887.30 and 53,106.52

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Solution

The fourth proportional to 70,657.16, 105,887.30 and 53,106.52 is: 79,585.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,657.16 : 105,887.30 = 53,106.52 : x
  2. Step 2: Convert to fraction form
    70,657.16/105,887.30 = 53,106.52/x
  3. Step 3: Cross multiply
    70,657.16x = 105,887.30 × 53,106.52
  4. Step 4: Simplify right side
    70,657.16x = 5,623,306,015.20
  5. Step 5: Solve for x
    x = 5,623,306,015.20/70,657.16
  6. Step 6: Final answer
    x = 79,585.79

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