Finding the Fourth Proportional to 10,098.45, 15,149.42 and 3,859.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,098.45 : 15,149.42 = 3,859.02 : x
2. Step 2: Convert to fraction form
   10,098.45/15,149.42 = 3,859.02/x
3. Step 3: Cross multiply
   10,098.45x = 15,149.42 × 3,859.02
4. Step 4: Simplify right side
   10,098.45x = 58,461,895.47
5. Step 5: Solve for x
   x = 58,461,895.47/10,098.45
6. Step 6: Final answer
   x = 5,789.19