Finding the Fourth Proportional to 2,238.42, 3,088.86 and 1,243.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.42 : 3,088.86 = 1,243.82 : x
2. Step 2: Convert to fraction form
   2,238.42/3,088.86 = 1,243.82/x
3. Step 3: Cross multiply
   2,238.42x = 3,088.86 × 1,243.82
4. Step 4: Simplify right side
   2,238.42x = 3,841,985.85
5. Step 5: Solve for x
   x = 3,841,985.85/2,238.42
6. Step 6: Final answer
   x = 1,716.38