Finding the Fourth Proportional to 16,391.28, 24,566.32 and 7,020.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,391.28 : 24,566.32 = 7,020.25 : x
2. Step 2: Convert to fraction form
   16,391.28/24,566.32 = 7,020.25/x
3. Step 3: Cross multiply
   16,391.28x = 24,566.32 × 7,020.25
4. Step 4: Simplify right side
   16,391.28x = 172,461,707.98
5. Step 5: Solve for x
   x = 172,461,707.98/16,391.28
6. Step 6: Final answer
   x = 10,521.55