Finding the Fourth Proportional to 2,238.18, 3,354.03 and 937.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.18 : 3,354.03 = 937.86 : x
2. Step 2: Convert to fraction form
   2,238.18/3,354.03 = 937.86/x
3. Step 3: Cross multiply
   2,238.18x = 3,354.03 × 937.86
4. Step 4: Simplify right side
   2,238.18x = 3,145,610.58
5. Step 5: Solve for x
   x = 3,145,610.58/2,238.18
6. Step 6: Final answer
   x = 1,405.43