Finding the Fourth Proportional to 3,114.18, 4,669.18 and 1,238.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,114.18 : 4,669.18 = 1,238.83 : x
2. Step 2: Convert to fraction form
   3,114.18/4,669.18 = 1,238.83/x
3. Step 3: Cross multiply
   3,114.18x = 4,669.18 × 1,238.83
4. Step 4: Simplify right side
   3,114.18x = 5,784,305.49
5. Step 5: Solve for x
   x = 5,784,305.49/3,114.18
6. Step 6: Final answer
   x = 1,857.41