Finding the Fourth Proportional to 12,792.47, 17,662.31 and 8,014.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,792.47 : 17,662.31 = 8,014.38 : x
2. Step 2: Convert to fraction form
   12,792.47/17,662.31 = 8,014.38/x
3. Step 3: Cross multiply
   12,792.47x = 17,662.31 × 8,014.38
4. Step 4: Simplify right side
   12,792.47x = 141,552,423.95
5. Step 5: Solve for x
   x = 141,552,423.95/12,792.47
6. Step 6: Final answer
   x = 11,065.30