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Finding the Fourth Proportional to 66,462.84, 91,715.06 and 37,778.51

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Solution

The fourth proportional to 66,462.84, 91,715.06 and 37,778.51 is: 52,132.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,462.84 : 91,715.06 = 37,778.51 : x
  2. Step 2: Convert to fraction form
    66,462.84/91,715.06 = 37,778.51/x
  3. Step 3: Cross multiply
    66,462.84x = 91,715.06 × 37,778.51
  4. Step 4: Simplify right side
    66,462.84x = 3,464,858,311.36
  5. Step 5: Solve for x
    x = 3,464,858,311.36/66,462.84
  6. Step 6: Final answer
    x = 52,132.26

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