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Finding the Fourth Proportional to 190,774.58, 286,202.34 and 72,443.30

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Solution

The fourth proportional to 190,774.58, 286,202.34 and 72,443.30 is: 108,680.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,774.58 : 286,202.34 = 72,443.30 : x
  2. Step 2: Convert to fraction form
    190,774.58/286,202.34 = 72,443.30/x
  3. Step 3: Cross multiply
    190,774.58x = 286,202.34 × 72,443.30
  4. Step 4: Simplify right side
    190,774.58x = 20,733,440,546.31
  5. Step 5: Solve for x
    x = 20,733,440,546.31/190,774.58
  6. Step 6: Final answer
    x = 108,680.31

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