Finding the Fourth Proportional to 10,753.47, 16,139.04 and 5,492.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,753.47 : 16,139.04 = 5,492.31 : x
2. Step 2: Convert to fraction form
   10,753.47/16,139.04 = 5,492.31/x
3. Step 3: Cross multiply
   10,753.47x = 16,139.04 × 5,492.31
4. Step 4: Simplify right side
   10,753.47x = 88,640,610.78
5. Step 5: Solve for x
   x = 88,640,610.78/10,753.47
6. Step 6: Final answer
   x = 8,242.98