Finding the Fourth Proportional to 8,655.31, 12,985.98 and 2,733.11

Step by Step Solution

1. Step 1: Write the proportion equation
   8,655.31 : 12,985.98 = 2,733.11 : x
2. Step 2: Convert to fraction form
   8,655.31/12,985.98 = 2,733.11/x
3. Step 3: Cross multiply
   8,655.31x = 12,985.98 × 2,733.11
4. Step 4: Simplify right side
   8,655.31x = 35,492,111.80
5. Step 5: Solve for x
   x = 35,492,111.80/8,655.31
6. Step 6: Final answer
   x = 4,100.62