Finding the Fourth Proportional to 2,238.20, 3,088.38 and 1,293.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.20 : 3,088.38 = 1,293.81 : x
2. Step 2: Convert to fraction form
   2,238.20/3,088.38 = 1,293.81/x
3. Step 3: Cross multiply
   2,238.20x = 3,088.38 × 1,293.81
4. Step 4: Simplify right side
   2,238.20x = 3,995,785.72
5. Step 5: Solve for x
   x = 3,995,785.72/2,238.20
6. Step 6: Final answer
   x = 1,785.26