Finding the Fourth Proportional to 2,764.28, 4,150.59 and 1,124.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,764.28 : 4,150.59 = 1,124.03 : x
2. Step 2: Convert to fraction form
   2,764.28/4,150.59 = 1,124.03/x
3. Step 3: Cross multiply
   2,764.28x = 4,150.59 × 1,124.03
4. Step 4: Simplify right side
   2,764.28x = 4,665,376.81
5. Step 5: Solve for x
   x = 4,665,376.81/2,764.28
6. Step 6: Final answer
   x = 1,687.74