Finding the Fourth Proportional to 1,714.18, 2,365.56 and 928.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,714.18 : 2,365.56 = 928.23 : x
2. Step 2: Convert to fraction form
   1,714.18/2,365.56 = 928.23/x
3. Step 3: Cross multiply
   1,714.18x = 2,365.56 × 928.23
4. Step 4: Simplify right side
   1,714.18x = 2,195,783.76
5. Step 5: Solve for x
   x = 2,195,783.76/1,714.18
6. Step 6: Final answer
   x = 1,280.95