Finding the Fourth Proportional to 14,264.40, 19,686.72 and 8,816.83

Step by Step Solution

1. Step 1: Write the proportion equation
   14,264.40 : 19,686.72 = 8,816.83 : x
2. Step 2: Convert to fraction form
   14,264.40/19,686.72 = 8,816.83/x
3. Step 3: Cross multiply
   14,264.40x = 19,686.72 × 8,816.83
4. Step 4: Simplify right side
   14,264.40x = 173,574,463.50
5. Step 5: Solve for x
   x = 173,574,463.50/14,264.40
6. Step 6: Final answer
   x = 12,168.37