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Finding the Fourth Proportional to 44,652, 66,978 and 11,820

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Solution

The fourth proportional to 44,652, 66,978 and 11,820 is: 17,730

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,652 : 66,978 = 11,820 : x
  2. Step 2: Convert to fraction form
    44,652/66,978 = 11,820/x
  3. Step 3: Cross multiply
    44,652x = 66,978 × 11,820
  4. Step 4: Simplify right side
    44,652x = 791,679,960
  5. Step 5: Solve for x
    x = 791,679,960/44,652
  6. Step 6: Final answer
    x = 17,730

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