Finding the Fourth Proportional to 1,517.72, 2,094.83 and 928.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,517.72 : 2,094.83 = 928.76 : x
2. Step 2: Convert to fraction form
   1,517.72/2,094.83 = 928.76/x
3. Step 3: Cross multiply
   1,517.72x = 2,094.83 × 928.76
4. Step 4: Simplify right side
   1,517.72x = 1,945,579.19
5. Step 5: Solve for x
   x = 1,945,579.19/1,517.72
6. Step 6: Final answer
   x = 1,281.91