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Finding the Fourth Proportional to 66,021.44, 90,990.61 and 48,088.04

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Solution

The fourth proportional to 66,021.44, 90,990.61 and 48,088.04 is: 66,274.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,021.44 : 90,990.61 = 48,088.04 : x
  2. Step 2: Convert to fraction form
    66,021.44/90,990.61 = 48,088.04/x
  3. Step 3: Cross multiply
    66,021.44x = 90,990.61 × 48,088.04
  4. Step 4: Simplify right side
    66,021.44x = 4,375,559,518.13
  5. Step 5: Solve for x
    x = 4,375,559,518.13/66,021.44
  6. Step 6: Final answer
    x = 66,274.83

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