Finding the Fourth Proportional to 2,238.07, 3,088.06 and 1,243.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.07 : 3,088.06 = 1,243.14 : x
2. Step 2: Convert to fraction form
   2,238.07/3,088.06 = 1,243.14/x
3. Step 3: Cross multiply
   2,238.07x = 3,088.06 × 1,243.14
4. Step 4: Simplify right side
   2,238.07x = 3,838,890.91
5. Step 5: Solve for x
   x = 3,838,890.91/2,238.07
6. Step 6: Final answer
   x = 1,715.27