Finding the Fourth Proportional to 23,127.98, 31,916.82 and 12,517.82

Step by Step Solution

1. Step 1: Write the proportion equation
   23,127.98 : 31,916.82 = 12,517.82 : x
2. Step 2: Convert to fraction form
   23,127.98/31,916.82 = 12,517.82/x
3. Step 3: Cross multiply
   23,127.98x = 31,916.82 × 12,517.82
4. Step 4: Simplify right side
   23,127.98x = 399,529,007.73
5. Step 5: Solve for x
   x = 399,529,007.73/23,127.98
6. Step 6: Final answer
   x = 17,274.70