Finding the Fourth Proportional to 8,779.79, 12,116.36 and 4,801.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,779.79 : 12,116.36 = 4,801.12 : x
2. Step 2: Convert to fraction form
   8,779.79/12,116.36 = 4,801.12/x
3. Step 3: Cross multiply
   8,779.79x = 12,116.36 × 4,801.12
4. Step 4: Simplify right side
   8,779.79x = 58,172,044.03
5. Step 5: Solve for x
   x = 58,172,044.03/8,779.79
6. Step 6: Final answer
   x = 6,625.68