Finding the Fourth Proportional to 2,876.52, 4,313.86 and 928.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,876.52 : 4,313.86 = 928.27 : x
2. Step 2: Convert to fraction form
   2,876.52/4,313.86 = 928.27/x
3. Step 3: Cross multiply
   2,876.52x = 4,313.86 × 928.27
4. Step 4: Simplify right side
   2,876.52x = 4,004,426.82
5. Step 5: Solve for x
   x = 4,004,426.82/2,876.52
6. Step 6: Final answer
   x = 1,392.11