Finding the Fourth Proportional to 3,111.32, 4,293.71 and 1,785.26

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111.32 : 4,293.71 = 1,785.26 : x
2. Step 2: Convert to fraction form
   3,111.32/4,293.71 = 1,785.26/x
3. Step 3: Cross multiply
   3,111.32x = 4,293.71 × 1,785.26
4. Step 4: Simplify right side
   3,111.32x = 7,665,358.32
5. Step 5: Solve for x
   x = 7,665,358.32/3,111.32
6. Step 6: Final answer
   x = 2,463.70