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Finding the Fourth Proportional to 30,589.03, 45,900.26 and 11,869.80

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Solution

The fourth proportional to 30,589.03, 45,900.26 and 11,869.80 is: 17,811.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,589.03 : 45,900.26 = 11,869.80 : x
  2. Step 2: Convert to fraction form
    30,589.03/45,900.26 = 11,869.80/x
  3. Step 3: Cross multiply
    30,589.03x = 45,900.26 × 11,869.80
  4. Step 4: Simplify right side
    30,589.03x = 544,826,617.30
  5. Step 5: Solve for x
    x = 544,826,617.30/30,589.03
  6. Step 6: Final answer
    x = 17,811.18

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