Finding the Fourth Proportional to 2,232.86, 3,081.30 and 1,238.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,232.86 : 3,081.30 = 1,238.12 : x
2. Step 2: Convert to fraction form
   2,232.86/3,081.30 = 1,238.12/x
3. Step 3: Cross multiply
   2,232.86x = 3,081.30 × 1,238.12
4. Step 4: Simplify right side
   2,232.86x = 3,815,019.16
5. Step 5: Solve for x
   x = 3,815,019.16/2,232.86
6. Step 6: Final answer
   x = 1,708.58