Finding the Fourth Proportional to 22,482.90, 31,026.69 and 12,411.36

Step by Step Solution

1. Step 1: Write the proportion equation
   22,482.90 : 31,026.69 = 12,411.36 : x
2. Step 2: Convert to fraction form
   22,482.90/31,026.69 = 12,411.36/x
3. Step 3: Cross multiply
   22,482.90x = 31,026.69 × 12,411.36
4. Step 4: Simplify right side
   22,482.90x = 385,083,419.20
5. Step 5: Solve for x
   x = 385,083,419.20/22,482.90
6. Step 6: Final answer
   x = 17,127.84