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Finding the Fourth Proportional to 357,551.85, 536,327.31 and 91,312.56

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Solution

The fourth proportional to 357,551.85, 536,327.31 and 91,312.56 is: 136,968.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,551.85 : 536,327.31 = 91,312.56 : x
  2. Step 2: Convert to fraction form
    357,551.85/536,327.31 = 91,312.56/x
  3. Step 3: Cross multiply
    357,551.85x = 536,327.31 × 91,312.56
  4. Step 4: Simplify right side
    357,551.85x = 48,973,419,674.01
  5. Step 5: Solve for x
    x = 48,973,419,674.01/357,551.85
  6. Step 6: Final answer
    x = 136,968.72

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