Finding the Fourth Proportional to 2,238.25, 3,088.74 and 1,243.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.25 : 3,088.74 = 1,243.50 : x
2. Step 2: Convert to fraction form
   2,238.25/3,088.74 = 1,243.50/x
3. Step 3: Cross multiply
   2,238.25x = 3,088.74 × 1,243.50
4. Step 4: Simplify right side
   2,238.25x = 3,840,848.19
5. Step 5: Solve for x
   x = 3,840,848.19/2,238.25
6. Step 6: Final answer
   x = 1,716.01