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Finding the Fourth Proportional to 57,767.40, 86,651.10 and 49,019.40

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Solution

The fourth proportional to 57,767.40, 86,651.10 and 49,019.40 is: 73,529.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,767.40 : 86,651.10 = 49,019.40 : x
  2. Step 2: Convert to fraction form
    57,767.40/86,651.10 = 49,019.40/x
  3. Step 3: Cross multiply
    57,767.40x = 86,651.10 × 49,019.40
  4. Step 4: Simplify right side
    57,767.40x = 4,247,584,931.34
  5. Step 5: Solve for x
    x = 4,247,584,931.34/57,767.40
  6. Step 6: Final answer
    x = 73,529.10

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