Finding the Fourth Proportional to 7,340.31, 10,129.59 and 3,983.22

Step by Step Solution

1. Step 1: Write the proportion equation
   7,340.31 : 10,129.59 = 3,983.22 : x
2. Step 2: Convert to fraction form
   7,340.31/10,129.59 = 3,983.22/x
3. Step 3: Cross multiply
   7,340.31x = 10,129.59 × 3,983.22
4. Step 4: Simplify right side
   7,340.31x = 40,348,385.48
5. Step 5: Solve for x
   x = 40,348,385.48/7,340.31
6. Step 6: Final answer
   x = 5,496.82