Finding the Fourth Proportional to 11,760.50, 17,643.45 and 5,098.12

Step by Step Solution

1. Step 1: Write the proportion equation
   11,760.50 : 17,643.45 = 5,098.12 : x
2. Step 2: Convert to fraction form
   11,760.50/17,643.45 = 5,098.12/x
3. Step 3: Cross multiply
   11,760.50x = 17,643.45 × 5,098.12
4. Step 4: Simplify right side
   11,760.50x = 89,948,425.31
5. Step 5: Solve for x
   x = 89,948,425.31/11,760.50
6. Step 6: Final answer
   x = 7,648.35