Finding the Fourth Proportional to 1,517.48, 2,094.27 and 928.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,517.48 : 2,094.27 = 928.40 : x
2. Step 2: Convert to fraction form
   1,517.48/2,094.27 = 928.40/x
3. Step 3: Cross multiply
   1,517.48x = 2,094.27 × 928.40
4. Step 4: Simplify right side
   1,517.48x = 1,944,320.27
5. Step 5: Solve for x
   x = 1,944,320.27/1,517.48
6. Step 6: Final answer
   x = 1,281.29