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Finding the Fourth Proportional to 66,161.98, 91,303.50 and 37,867.60

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Solution

The fourth proportional to 66,161.98, 91,303.50 and 37,867.60 is: 52,257.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,161.98 : 91,303.50 = 37,867.60 : x
  2. Step 2: Convert to fraction form
    66,161.98/91,303.50 = 37,867.60/x
  3. Step 3: Cross multiply
    66,161.98x = 91,303.50 × 37,867.60
  4. Step 4: Simplify right side
    66,161.98x = 3,457,444,416.60
  5. Step 5: Solve for x
    x = 3,457,444,416.60/66,161.98
  6. Step 6: Final answer
    x = 52,257.27

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