Finding the Fourth Proportional to 2,076.15, 3,112.68 and 1,254.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.15 : 3,112.68 = 1,254.24 : x
2. Step 2: Convert to fraction form
   2,076.15/3,112.68 = 1,254.24/x
3. Step 3: Cross multiply
   2,076.15x = 3,112.68 × 1,254.24
4. Step 4: Simplify right side
   2,076.15x = 3,904,047.76
5. Step 5: Solve for x
   x = 3,904,047.76/2,076.15
6. Step 6: Final answer
   x = 1,880.43