Finding the Fourth Proportional to 12,552.59, 17,323.08 and 7,515.81

Step by Step Solution

1. Step 1: Write the proportion equation
   12,552.59 : 17,323.08 = 7,515.81 : x
2. Step 2: Convert to fraction form
   12,552.59/17,323.08 = 7,515.81/x
3. Step 3: Cross multiply
   12,552.59x = 17,323.08 × 7,515.81
4. Step 4: Simplify right side
   12,552.59x = 130,196,977.89
5. Step 5: Solve for x
   x = 130,196,977.89/12,552.59
6. Step 6: Final answer
   x = 10,372.12