Finding the Fourth Proportional to 8,499.83, 12,751.55 and 2,656.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,499.83 : 12,751.55 = 2,656.88 : x
2. Step 2: Convert to fraction form
   8,499.83/12,751.55 = 2,656.88/x
3. Step 3: Cross multiply
   8,499.83x = 12,751.55 × 2,656.88
4. Step 4: Simplify right side
   8,499.83x = 33,879,324.88
5. Step 5: Solve for x
   x = 33,879,324.88/8,499.83
6. Step 6: Final answer
   x = 3,985.88