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Finding the Fourth Proportional to 66,195.60, 91,349.76 and 35,980.92

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Solution

The fourth proportional to 66,195.60, 91,349.76 and 35,980.92 is: 49,653.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,195.60 : 91,349.76 = 35,980.92 : x
  2. Step 2: Convert to fraction form
    66,195.60/91,349.76 = 35,980.92/x
  3. Step 3: Cross multiply
    66,195.60x = 91,349.76 × 35,980.92
  4. Step 4: Simplify right side
    66,195.60x = 3,286,848,406.58
  5. Step 5: Solve for x
    x = 3,286,848,406.58/66,195.60
  6. Step 6: Final answer
    x = 49,653.58

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