Finding the Fourth Proportional to 2,786, 4,177.38 and 1,225.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,786 : 4,177.38 = 1,225.96 : x
2. Step 2: Convert to fraction form
   2,786/4,177.38 = 1,225.96/x
3. Step 3: Cross multiply
   2,786x = 4,177.38 × 1,225.96
4. Step 4: Simplify right side
   2,786x = 5,121,300.78
5. Step 5: Solve for x
   x = 5,121,300.78/2,786
6. Step 6: Final answer
   x = 1,838.23