Finding the Fourth Proportional to 2,788.28, 4,150.55 and 2,746.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,788.28 : 4,150.55 = 2,746.74 : x
2. Step 2: Convert to fraction form
   2,788.28/4,150.55 = 2,746.74/x
3. Step 3: Cross multiply
   2,788.28x = 4,150.55 × 2,746.74
4. Step 4: Simplify right side
   2,788.28x = 11,400,488.57
5. Step 5: Solve for x
   x = 11,400,488.57/2,788.28
6. Step 6: Final answer
   x = 4,088.72