Finding the Fourth Proportional to 12,799.92, 17,664.16 and 7,498.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,799.92 : 17,664.16 = 7,498.56 : x
2. Step 2: Convert to fraction form
   12,799.92/17,664.16 = 7,498.56/x
3. Step 3: Cross multiply
   12,799.92x = 17,664.16 × 7,498.56
4. Step 4: Simplify right side
   12,799.92x = 132,455,763.61
5. Step 5: Solve for x
   x = 132,455,763.61/12,799.92
6. Step 6: Final answer
   x = 10,348.17