Finding the Fourth Proportional to 9,902.57, 14,859.33 and 4,057.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,902.57 : 14,859.33 = 4,057.82 : x
2. Step 2: Convert to fraction form
   9,902.57/14,859.33 = 4,057.82/x
3. Step 3: Cross multiply
   9,902.57x = 14,859.33 × 4,057.82
4. Step 4: Simplify right side
   9,902.57x = 60,296,391.87
5. Step 5: Solve for x
   x = 60,296,391.87/9,902.57
6. Step 6: Final answer
   x = 6,088.96