Finding the Fourth Proportional to 9,789.88, 14,686.22 and 3,946.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,789.88 : 14,686.22 = 3,946.04 : x
2. Step 2: Convert to fraction form
   9,789.88/14,686.22 = 3,946.04/x
3. Step 3: Cross multiply
   9,789.88x = 14,686.22 × 3,946.04
4. Step 4: Simplify right side
   9,789.88x = 57,952,411.57
5. Step 5: Solve for x
   x = 57,952,411.57/9,789.88
6. Step 6: Final answer
   x = 5,919.62