Finding the Fourth Proportional to 10,498.98, 14,474.07 and 7,509.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,498.98 : 14,474.07 = 7,509.60 : x
2. Step 2: Convert to fraction form
   10,498.98/14,474.07 = 7,509.60/x
3. Step 3: Cross multiply
   10,498.98x = 14,474.07 × 7,509.60
4. Step 4: Simplify right side
   10,498.98x = 108,694,476.07
5. Step 5: Solve for x
   x = 108,694,476.07/10,498.98
6. Step 6: Final answer
   x = 10,352.86