Finding the Fourth Proportional to 12,792.75, 17,655.52 and 7,487.55

Step by Step Solution

1. Step 1: Write the proportion equation
   12,792.75 : 17,655.52 = 7,487.55 : x
2. Step 2: Convert to fraction form
   12,792.75/17,655.52 = 7,487.55/x
3. Step 3: Cross multiply
   12,792.75x = 17,655.52 × 7,487.55
4. Step 4: Simplify right side
   12,792.75x = 132,196,588.78
5. Step 5: Solve for x
   x = 132,196,588.78/12,792.75
6. Step 6: Final answer
   x = 10,333.72