Finding the Fourth Proportional to 16,308.88, 24,451.35 and 5,209.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,308.88 : 24,451.35 = 5,209.18 : x
2. Step 2: Convert to fraction form
   16,308.88/24,451.35 = 5,209.18/x
3. Step 3: Cross multiply
   16,308.88x = 24,451.35 × 5,209.18
4. Step 4: Simplify right side
   16,308.88x = 127,371,483.39
5. Step 5: Solve for x
   x = 127,371,483.39/16,308.88
6. Step 6: Final answer
   x = 7,809.95