Finding the Fourth Proportional to 3,658.92, 5,489.52 and 1,061.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,658.92 : 5,489.52 = 1,061.86 : x
2. Step 2: Convert to fraction form
   3,658.92/5,489.52 = 1,061.86/x
3. Step 3: Cross multiply
   3,658.92x = 5,489.52 × 1,061.86
4. Step 4: Simplify right side
   3,658.92x = 5,829,100.27
5. Step 5: Solve for x
   x = 5,829,100.27/3,658.92
6. Step 6: Final answer
   x = 1,593.12