Finding the Fourth Proportional to 2,012.88, 3,022.56 and 1,248.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.88 : 3,022.56 = 1,248.24 : x
2. Step 2: Convert to fraction form
   2,012.88/3,022.56 = 1,248.24/x
3. Step 3: Cross multiply
   2,012.88x = 3,022.56 × 1,248.24
4. Step 4: Simplify right side
   2,012.88x = 3,772,880.29
5. Step 5: Solve for x
   x = 3,772,880.29/2,012.88
6. Step 6: Final answer
   x = 1,874.37