Finding the Fourth Proportional to 22,483.12, 31,026.36 and 12,411.92

Step by Step Solution

1. Step 1: Write the proportion equation
   22,483.12 : 31,026.36 = 12,411.92 : x
2. Step 2: Convert to fraction form
   22,483.12/31,026.36 = 12,411.92/x
3. Step 3: Cross multiply
   22,483.12x = 31,026.36 × 12,411.92
4. Step 4: Simplify right side
   22,483.12x = 385,096,698.21
5. Step 5: Solve for x
   x = 385,096,698.21/22,483.12
6. Step 6: Final answer
   x = 17,128.26