Finding the Fourth Proportional to 2,238.06, 3,088.46 and 1,243.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.06 : 3,088.46 = 1,243.32 : x
2. Step 2: Convert to fraction form
   2,238.06/3,088.46 = 1,243.32/x
3. Step 3: Cross multiply
   2,238.06x = 3,088.46 × 1,243.32
4. Step 4: Simplify right side
   2,238.06x = 3,839,944.09
5. Step 5: Solve for x
   x = 3,839,944.09/2,238.06
6. Step 6: Final answer
   x = 1,715.75