Finding the Fourth Proportional to 12,515.60, 17,253.96 and 7,796.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,515.60 : 17,253.96 = 7,796.72 : x
2. Step 2: Convert to fraction form
   12,515.60/17,253.96 = 7,796.72/x
3. Step 3: Cross multiply
   12,515.60x = 17,253.96 × 7,796.72
4. Step 4: Simplify right side
   12,515.60x = 134,524,295.01
5. Step 5: Solve for x
   x = 134,524,295.01/12,515.60
6. Step 6: Final answer
   x = 10,748.53