Finding the Fourth Proportional to 9,761.92, 13,471.46 and 5,785

Step by Step Solution

1. Step 1: Write the proportion equation
   9,761.92 : 13,471.46 = 5,785 : x
2. Step 2: Convert to fraction form
   9,761.92/13,471.46 = 5,785/x
3. Step 3: Cross multiply
   9,761.92x = 13,471.46 × 5,785
4. Step 4: Simplify right side
   9,761.92x = 77,932,396.10
5. Step 5: Solve for x
   x = 77,932,396.10/9,761.92
6. Step 6: Final answer
   x = 7,983.31