Finding the Fourth Proportional to 2,238.83, 3,089.35 and 1,294.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.83 : 3,089.35 = 1,294.47 : x
2. Step 2: Convert to fraction form
   2,238.83/3,089.35 = 1,294.47/x
3. Step 3: Cross multiply
   2,238.83x = 3,089.35 × 1,294.47
4. Step 4: Simplify right side
   2,238.83x = 3,999,070.89
5. Step 5: Solve for x
   x = 3,999,070.89/2,238.83
6. Step 6: Final answer
   x = 1,786.23