Finding the Fourth Proportional to 12,753.31, 17,599.67 and 7,088.17

Step by Step Solution

1. Step 1: Write the proportion equation
   12,753.31 : 17,599.67 = 7,088.17 : x
2. Step 2: Convert to fraction form
   12,753.31/17,599.67 = 7,088.17/x
3. Step 3: Cross multiply
   12,753.31x = 17,599.67 × 7,088.17
4. Step 4: Simplify right side
   12,753.31x = 124,749,417.46
5. Step 5: Solve for x
   x = 124,749,417.46/12,753.31
6. Step 6: Final answer
   x = 9,781.73