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Finding the Fourth Proportional to 66,619.53, 91,933.85 and 36,404.21

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Solution

The fourth proportional to 66,619.53, 91,933.85 and 36,404.21 is: 50,237.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,619.53 : 91,933.85 = 36,404.21 : x
  2. Step 2: Convert to fraction form
    66,619.53/91,933.85 = 36,404.21/x
  3. Step 3: Cross multiply
    66,619.53x = 91,933.85 × 36,404.21
  4. Step 4: Simplify right side
    66,619.53x = 3,346,778,539.82
  5. Step 5: Solve for x
    x = 3,346,778,539.82/66,619.53
  6. Step 6: Final answer
    x = 50,237.20

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