Finding the Fourth Proportional to 22,484.89, 31,032.81 and 13,411.40

Step by Step Solution

1. Step 1: Write the proportion equation
   22,484.89 : 31,032.81 = 13,411.40 : x
2. Step 2: Convert to fraction form
   22,484.89/31,032.81 = 13,411.40/x
3. Step 3: Cross multiply
   22,484.89x = 31,032.81 × 13,411.40
4. Step 4: Simplify right side
   22,484.89x = 416,193,360.98
5. Step 5: Solve for x
   x = 416,193,360.98/22,484.89
6. Step 6: Final answer
   x = 18,509.92