Finding the Fourth Proportional to 16,290.35, 24,435.98 and 5,758.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,290.35 : 24,435.98 = 5,758.88 : x
2. Step 2: Convert to fraction form
   16,290.35/24,435.98 = 5,758.88/x
3. Step 3: Cross multiply
   16,290.35x = 24,435.98 × 5,758.88
4. Step 4: Simplify right side
   16,290.35x = 140,723,876.50
5. Step 5: Solve for x
   x = 140,723,876.50/16,290.35
6. Step 6: Final answer
   x = 8,638.48