Finding the Fourth Proportional to 8,597.80, 12,898.71 and 2,674.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,597.80 : 12,898.71 = 2,674.38 : x
2. Step 2: Convert to fraction form
   8,597.80/12,898.71 = 2,674.38/x
3. Step 3: Cross multiply
   8,597.80x = 12,898.71 × 2,674.38
4. Step 4: Simplify right side
   8,597.80x = 34,496,100.42
5. Step 5: Solve for x
   x = 34,496,100.42/8,597.80
6. Step 6: Final answer
   x = 4,012.20