Finding the Fourth Proportional to 1,751.31, 2,626.02 and 928.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,751.31 : 2,626.02 = 928.89 : x
2. Step 2: Convert to fraction form
   1,751.31/2,626.02 = 928.89/x
3. Step 3: Cross multiply
   1,751.31x = 2,626.02 × 928.89
4. Step 4: Simplify right side
   1,751.31x = 2,439,283.72
5. Step 5: Solve for x
   x = 2,439,283.72/1,751.31
6. Step 6: Final answer
   x = 1,392.83