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Finding the Fourth Proportional to 3,603.18, 5,401.52 and 1,866.54

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Solution

The fourth proportional to 3,603.18, 5,401.52 and 1,866.54 is: 2,798.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.18 : 5,401.52 = 1,866.54 : x
  2. Step 2: Convert to fraction form
    3,603.18/5,401.52 = 1,866.54/x
  3. Step 3: Cross multiply
    3,603.18x = 5,401.52 × 1,866.54
  4. Step 4: Simplify right side
    3,603.18x = 10,082,153.14
  5. Step 5: Solve for x
    x = 10,082,153.14/3,603.18
  6. Step 6: Final answer
    x = 2,798.13

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