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Finding the Fourth Proportional to 105,572.63, 145,690.27 and 57,827.70

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Solution

The fourth proportional to 105,572.63, 145,690.27 and 57,827.70 is: 79,802.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,572.63 : 145,690.27 = 57,827.70 : x
  2. Step 2: Convert to fraction form
    105,572.63/145,690.27 = 57,827.70/x
  3. Step 3: Cross multiply
    105,572.63x = 145,690.27 × 57,827.70
  4. Step 4: Simplify right side
    105,572.63x = 8,424,933,081.91
  5. Step 5: Solve for x
    x = 8,424,933,081.91/105,572.63
  6. Step 6: Final answer
    x = 79,802.24

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