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Finding the Fourth Proportional to 85,526.70, 128,277.90 and 29,369.40

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Solution

The fourth proportional to 85,526.70, 128,277.90 and 29,369.40 is: 44,049.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,526.70 : 128,277.90 = 29,369.40 : x
  2. Step 2: Convert to fraction form
    85,526.70/128,277.90 = 29,369.40/x
  3. Step 3: Cross multiply
    85,526.70x = 128,277.90 × 29,369.40
  4. Step 4: Simplify right side
    85,526.70x = 3,767,444,956.26
  5. Step 5: Solve for x
    x = 3,767,444,956.26/85,526.70
  6. Step 6: Final answer
    x = 44,049.93

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