Finding the Fourth Proportional to 3,687.92, 5,501.68 and 3,587.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,687.92 : 5,501.68 = 3,587.52 : x
2. Step 2: Convert to fraction form
   3,687.92/5,501.68 = 3,587.52/x
3. Step 3: Cross multiply
   3,687.92x = 5,501.68 × 3,587.52
4. Step 4: Simplify right side
   3,687.92x = 19,737,387.03
5. Step 5: Solve for x
   x = 19,737,387.03/3,687.92
6. Step 6: Final answer
   x = 5,351.90