Finding the Fourth Proportional to 16,307.80, 24,449.72 and 5,208.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,307.80 : 24,449.72 = 5,208.10 : x
2. Step 2: Convert to fraction form
   16,307.80/24,449.72 = 5,208.10/x
3. Step 3: Cross multiply
   16,307.80x = 24,449.72 × 5,208.10
4. Step 4: Simplify right side
   16,307.80x = 127,336,499.57
5. Step 5: Solve for x
   x = 127,336,499.57/16,307.80
6. Step 6: Final answer
   x = 7,808.32