Finding the Fourth Proportional to 5,898.16, 8,140.98 and 3,658.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,898.16 : 8,140.98 = 3,658.72 : x
2. Step 2: Convert to fraction form
   5,898.16/8,140.98 = 3,658.72/x
3. Step 3: Cross multiply
   5,898.16x = 8,140.98 × 3,658.72
4. Step 4: Simplify right side
   5,898.16x = 29,785,566.35
5. Step 5: Solve for x
   x = 29,785,566.35/5,898.16
6. Step 6: Final answer
   x = 5,049.98