Finding the Fourth Proportional to 2,876.10, 4,314.83 and 928.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,876.10 : 4,314.83 = 928.32 : x
2. Step 2: Convert to fraction form
   2,876.10/4,314.83 = 928.32/x
3. Step 3: Cross multiply
   2,876.10x = 4,314.83 × 928.32
4. Step 4: Simplify right side
   2,876.10x = 4,005,538.34
5. Step 5: Solve for x
   x = 4,005,538.34/2,876.10
6. Step 6: Final answer
   x = 1,392.70