Finding the Fourth Proportional to 3,616.54, 5,385.91 and 3,493.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,616.54 : 5,385.91 = 3,493.52 : x
2. Step 2: Convert to fraction form
   3,616.54/5,385.91 = 3,493.52/x
3. Step 3: Cross multiply
   3,616.54x = 5,385.91 × 3,493.52
4. Step 4: Simplify right side
   3,616.54x = 18,815,784.30
5. Step 5: Solve for x
   x = 18,815,784.30/3,616.54
6. Step 6: Final answer
   x = 5,202.70