Finding the Fourth Proportional to 2,244.78, 3,364.20 and 1,012.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,244.78 : 3,364.20 = 1,012.77 : x
2. Step 2: Convert to fraction form
   2,244.78/3,364.20 = 1,012.77/x
3. Step 3: Cross multiply
   2,244.78x = 3,364.20 × 1,012.77
4. Step 4: Simplify right side
   2,244.78x = 3,407,160.83
5. Step 5: Solve for x
   x = 3,407,160.83/2,244.78
6. Step 6: Final answer
   x = 1,517.82