Finding the Fourth Proportional to 16,659.32, 24,980.69 and 5,562.20

Step by Step Solution

1. Step 1: Write the proportion equation
   16,659.32 : 24,980.69 = 5,562.20 : x
2. Step 2: Convert to fraction form
   16,659.32/24,980.69 = 5,562.20/x
3. Step 3: Cross multiply
   16,659.32x = 24,980.69 × 5,562.20
4. Step 4: Simplify right side
   16,659.32x = 138,947,593.92
5. Step 5: Solve for x
   x = 138,947,593.92/16,659.32
6. Step 6: Final answer
   x = 8,340.53