Finding the Fourth Proportional to 2,302.78, 3,177.78 and 1,254.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,302.78 : 3,177.78 = 1,254.82 : x
2. Step 2: Convert to fraction form
   2,302.78/3,177.78 = 1,254.82/x
3. Step 3: Cross multiply
   2,302.78x = 3,177.78 × 1,254.82
4. Step 4: Simplify right side
   2,302.78x = 3,987,541.90
5. Step 5: Solve for x
   x = 3,987,541.90/2,302.78
6. Step 6: Final answer
   x = 1,731.62