Finding the Fourth Proportional to 7,073.31, 9,761.17 and 3,929.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,073.31 : 9,761.17 = 3,929.50 : x
2. Step 2: Convert to fraction form
   7,073.31/9,761.17 = 3,929.50/x
3. Step 3: Cross multiply
   7,073.31x = 9,761.17 × 3,929.50
4. Step 4: Simplify right side
   7,073.31x = 38,356,517.52
5. Step 5: Solve for x
   x = 38,356,517.52/7,073.31
6. Step 6: Final answer
   x = 5,422.71