Finding the Fourth Proportional to 2,426.39, 3,637.52 and 865.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,426.39 : 3,637.52 = 865.92 : x
2. Step 2: Convert to fraction form
   2,426.39/3,637.52 = 865.92/x
3. Step 3: Cross multiply
   2,426.39x = 3,637.52 × 865.92
4. Step 4: Simplify right side
   2,426.39x = 3,149,801.32
5. Step 5: Solve for x
   x = 3,149,801.32/2,426.39
6. Step 6: Final answer
   x = 1,298.14