Finding the Fourth Proportional to 8,779.76, 12,116.90 and 4,801.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,779.76 : 12,116.90 = 4,801.48 : x
2. Step 2: Convert to fraction form
   8,779.76/12,116.90 = 4,801.48/x
3. Step 3: Cross multiply
   8,779.76x = 12,116.90 × 4,801.48
4. Step 4: Simplify right side
   8,779.76x = 58,179,053.01
5. Step 5: Solve for x
   x = 58,179,053.01/8,779.76
6. Step 6: Final answer
   x = 6,626.50