Finding the Fourth Proportional to 8,145.15, 12,217.46 and 2,598.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,145.15 : 12,217.46 = 2,598.82 : x
2. Step 2: Convert to fraction form
   8,145.15/12,217.46 = 2,598.82/x
3. Step 3: Cross multiply
   8,145.15x = 12,217.46 × 2,598.82
4. Step 4: Simplify right side
   8,145.15x = 31,750,979.40
5. Step 5: Solve for x
   x = 31,750,979.40/8,145.15
6. Step 6: Final answer
   x = 3,898.15