Finding the Fourth Proportional to 14,301.18, 19,722.56 and 8,916.71

Step by Step Solution

1. Step 1: Write the proportion equation
   14,301.18 : 19,722.56 = 8,916.71 : x
2. Step 2: Convert to fraction form
   14,301.18/19,722.56 = 8,916.71/x
3. Step 3: Cross multiply
   14,301.18x = 19,722.56 × 8,916.71
4. Step 4: Simplify right side
   14,301.18x = 175,860,204.78
5. Step 5: Solve for x
   x = 175,860,204.78/14,301.18
6. Step 6: Final answer
   x = 12,296.90