Finding the Fourth Proportional to 8,779.58, 12,116.01 and 4,800.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,779.58 : 12,116.01 = 4,800.69 : x
2. Step 2: Convert to fraction form
   8,779.58/12,116.01 = 4,800.69/x
3. Step 3: Cross multiply
   8,779.58x = 12,116.01 × 4,800.69
4. Step 4: Simplify right side
   8,779.58x = 58,165,208.05
5. Step 5: Solve for x
   x = 58,165,208.05/8,779.58
6. Step 6: Final answer
   x = 6,625.06