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Finding the Fourth Proportional to 543,733.55, 815,537.69 and 144,405.57

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Solution

The fourth proportional to 543,733.55, 815,537.69 and 144,405.57 is: 216,591.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,733.55 : 815,537.69 = 144,405.57 : x
  2. Step 2: Convert to fraction form
    543,733.55/815,537.69 = 144,405.57/x
  3. Step 3: Cross multiply
    543,733.55x = 815,537.69 × 144,405.57
  4. Step 4: Simplify right side
    543,733.55x = 117,768,184,258.91
  5. Step 5: Solve for x
    x = 117,768,184,258.91/543,733.55
  6. Step 6: Final answer
    x = 216,591.72

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