Finding the Fourth Proportional to 5,616.54, 8,404.16 and 3,387.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,616.54 : 8,404.16 = 3,387.42 : x
2. Step 2: Convert to fraction form
   5,616.54/8,404.16 = 3,387.42/x
3. Step 3: Cross multiply
   5,616.54x = 8,404.16 × 3,387.42
4. Step 4: Simplify right side
   5,616.54x = 28,468,402.73
5. Step 5: Solve for x
   x = 28,468,402.73/5,616.54
6. Step 6: Final answer
   x = 5,068.67