Finding the Fourth Proportional to 16,471.83, 22,712.31 and 13,114.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,471.83 : 22,712.31 = 13,114.78 : x
2. Step 2: Convert to fraction form
   16,471.83/22,712.31 = 13,114.78/x
3. Step 3: Cross multiply
   16,471.83x = 22,712.31 × 13,114.78
4. Step 4: Simplify right side
   16,471.83x = 297,866,948.94
5. Step 5: Solve for x
   x = 297,866,948.94/16,471.83
6. Step 6: Final answer
   x = 18,083.42