Finding the Fourth Proportional to 8,779.59, 12,116.03 and 4,800.71

Step by Step Solution

1. Step 1: Write the proportion equation
   8,779.59 : 12,116.03 = 4,800.71 : x
2. Step 2: Convert to fraction form
   8,779.59/12,116.03 = 4,800.71/x
3. Step 3: Cross multiply
   8,779.59x = 12,116.03 × 4,800.71
4. Step 4: Simplify right side
   8,779.59x = 58,165,461.80
5. Step 5: Solve for x
   x = 58,165,461.80/8,779.59
6. Step 6: Final answer
   x = 6,625.08