Finding the Fourth Proportional to 8,085.15, 12,124.49 and 2,889.81

Step by Step Solution

1. Step 1: Write the proportion equation
   8,085.15 : 12,124.49 = 2,889.81 : x
2. Step 2: Convert to fraction form
   8,085.15/12,124.49 = 2,889.81/x
3. Step 3: Cross multiply
   8,085.15x = 12,124.49 × 2,889.81
4. Step 4: Simplify right side
   8,085.15x = 35,037,458.00
5. Step 5: Solve for x
   x = 35,037,458.00/8,085.15
6. Step 6: Final answer
   x = 4,333.56