Finding the Fourth Proportional to 12,561.53, 17,329.98 and 7,525.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,561.53 : 17,329.98 = 7,525.96 : x
2. Step 2: Convert to fraction form
   12,561.53/17,329.98 = 7,525.96/x
3. Step 3: Cross multiply
   12,561.53x = 17,329.98 × 7,525.96
4. Step 4: Simplify right side
   12,561.53x = 130,424,698.65
5. Step 5: Solve for x
   x = 130,424,698.65/12,561.53
6. Step 6: Final answer
   x = 10,382.87