Finding the Fourth Proportional to 8,085.52, 12,131.16 and 2,892.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,085.52 : 12,131.16 = 2,892.88 : x
2. Step 2: Convert to fraction form
   8,085.52/12,131.16 = 2,892.88/x
3. Step 3: Cross multiply
   8,085.52x = 12,131.16 × 2,892.88
4. Step 4: Simplify right side
   8,085.52x = 35,093,990.14
5. Step 5: Solve for x
   x = 35,093,990.14/8,085.52
6. Step 6: Final answer
   x = 4,340.35