Finding the Fourth Proportional to 22,463.82, 31,002.16 and 12,905.04

Step by Step Solution

1. Step 1: Write the proportion equation
   22,463.82 : 31,002.16 = 12,905.04 : x
2. Step 2: Convert to fraction form
   22,463.82/31,002.16 = 12,905.04/x
3. Step 3: Cross multiply
   22,463.82x = 31,002.16 × 12,905.04
4. Step 4: Simplify right side
   22,463.82x = 400,084,114.89
5. Step 5: Solve for x
   x = 400,084,114.89/22,463.82
6. Step 6: Final answer
   x = 17,810.15