Finding the Fourth Proportional to 14,167.24, 19,550.46 and 7,880.20

Step by Step Solution

1. Step 1: Write the proportion equation
   14,167.24 : 19,550.46 = 7,880.20 : x
2. Step 2: Convert to fraction form
   14,167.24/19,550.46 = 7,880.20/x
3. Step 3: Cross multiply
   14,167.24x = 19,550.46 × 7,880.20
4. Step 4: Simplify right side
   14,167.24x = 154,061,534.89
5. Step 5: Solve for x
   x = 154,061,534.89/14,167.24
6. Step 6: Final answer
   x = 10,874.49