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Finding the Fourth Proportional to 56,178.24, 77,349.09 and 47,662.71

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Solution

The fourth proportional to 56,178.24, 77,349.09 and 47,662.71 is: 65,624.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,178.24 : 77,349.09 = 47,662.71 : x
  2. Step 2: Convert to fraction form
    56,178.24/77,349.09 = 47,662.71/x
  3. Step 3: Cross multiply
    56,178.24x = 77,349.09 × 47,662.71
  4. Step 4: Simplify right side
    56,178.24x = 3,686,667,245.43
  5. Step 5: Solve for x
    x = 3,686,667,245.43/56,178.24
  6. Step 6: Final answer
    x = 65,624.47

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