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Finding the Fourth Proportional to 63,066.55, 87,407.53 and 61,885.57

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Solution

The fourth proportional to 63,066.55, 87,407.53 and 61,885.57 is: 85,770.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,066.55 : 87,407.53 = 61,885.57 : x
  2. Step 2: Convert to fraction form
    63,066.55/87,407.53 = 61,885.57/x
  3. Step 3: Cross multiply
    63,066.55x = 87,407.53 × 61,885.57
  4. Step 4: Simplify right side
    63,066.55x = 5,409,264,816.34
  5. Step 5: Solve for x
    x = 5,409,264,816.34/63,066.55
  6. Step 6: Final answer
    x = 85,770.74

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