Finding the Fourth Proportional to 12,536.43, 17,295.69 and 7,500.79

Step by Step Solution

1. Step 1: Write the proportion equation
   12,536.43 : 17,295.69 = 7,500.79 : x
2. Step 2: Convert to fraction form
   12,536.43/17,295.69 = 7,500.79/x
3. Step 3: Cross multiply
   12,536.43x = 17,295.69 × 7,500.79
4. Step 4: Simplify right side
   12,536.43x = 129,731,338.60
5. Step 5: Solve for x
   x = 129,731,338.60/12,536.43
6. Step 6: Final answer
   x = 10,348.35