Finding the Fourth Proportional to 12,411.96, 17,128.04 and 7,107.27

Step by Step Solution

1. Step 1: Write the proportion equation
   12,411.96 : 17,128.04 = 7,107.27 : x
2. Step 2: Convert to fraction form
   12,411.96/17,128.04 = 7,107.27/x
3. Step 3: Cross multiply
   12,411.96x = 17,128.04 × 7,107.27
4. Step 4: Simplify right side
   12,411.96x = 121,733,569.31
5. Step 5: Solve for x
   x = 121,733,569.31/12,411.96
6. Step 6: Final answer
   x = 9,807.76