Finding the Fourth Proportional to 8,779.72, 12,116.01 and 4,800.84

Step by Step Solution

1. Step 1: Write the proportion equation
   8,779.72 : 12,116.01 = 4,800.84 : x
2. Step 2: Convert to fraction form
   8,779.72/12,116.01 = 4,800.84/x
3. Step 3: Cross multiply
   8,779.72x = 12,116.01 × 4,800.84
4. Step 4: Simplify right side
   8,779.72x = 58,167,025.45
5. Step 5: Solve for x
   x = 58,167,025.45/8,779.72
6. Step 6: Final answer
   x = 6,625.16