Finding the Fourth Proportional to 2,876.33, 4,315.41 and 928.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,876.33 : 4,315.41 = 928.69 : x
2. Step 2: Convert to fraction form
   2,876.33/4,315.41 = 928.69/x
3. Step 3: Cross multiply
   2,876.33x = 4,315.41 × 928.69
4. Step 4: Simplify right side
   2,876.33x = 4,007,667.32
5. Step 5: Solve for x
   x = 4,007,667.32/2,876.33
6. Step 6: Final answer
   x = 1,393.33