Finding the Fourth Proportional to 14,475.60, 21,715.92 and 5,114.88

Step by Step Solution

1. Step 1: Write the proportion equation
   14,475.60 : 21,715.92 = 5,114.88 : x
2. Step 2: Convert to fraction form
   14,475.60/21,715.92 = 5,114.88/x
3. Step 3: Cross multiply
   14,475.60x = 21,715.92 × 5,114.88
4. Step 4: Simplify right side
   14,475.60x = 111,074,324.89
5. Step 5: Solve for x
   x = 111,074,324.89/14,475.60
6. Step 6: Final answer
   x = 7,673.21