Finding the Fourth Proportional to 2,869.97, 3,960.51 and 2,426.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,869.97 : 3,960.51 = 2,426.50 : x
2. Step 2: Convert to fraction form
   2,869.97/3,960.51 = 2,426.50/x
3. Step 3: Cross multiply
   2,869.97x = 3,960.51 × 2,426.50
4. Step 4: Simplify right side
   2,869.97x = 9,610,177.52
5. Step 5: Solve for x
   x = 9,610,177.52/2,869.97
6. Step 6: Final answer
   x = 3,348.53