Finding the Fourth Proportional to 2,238.48, 3,088.89 and 1,294.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.48 : 3,088.89 = 1,294.19 : x
2. Step 2: Convert to fraction form
   2,238.48/3,088.89 = 1,294.19/x
3. Step 3: Cross multiply
   2,238.48x = 3,088.89 × 1,294.19
4. Step 4: Simplify right side
   2,238.48x = 3,997,624.06
5. Step 5: Solve for x
   x = 3,997,624.06/2,238.48
6. Step 6: Final answer
   x = 1,785.87