Finding the Fourth Proportional to 16,372.72, 24,559.12 and 5,280.22

Step by Step Solution

1. Step 1: Write the proportion equation
   16,372.72 : 24,559.12 = 5,280.22 : x
2. Step 2: Convert to fraction form
   16,372.72/24,559.12 = 5,280.22/x
3. Step 3: Cross multiply
   16,372.72x = 24,559.12 × 5,280.22
4. Step 4: Simplify right side
   16,372.72x = 129,677,556.61
5. Step 5: Solve for x
   x = 129,677,556.61/16,372.72
6. Step 6: Final answer
   x = 7,920.34