Finding the Fourth Proportional to 1,714.42, 2,365.91 and 928.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,714.42 : 2,365.91 = 928.46 : x
2. Step 2: Convert to fraction form
   1,714.42/2,365.91 = 928.46/x
3. Step 3: Cross multiply
   1,714.42x = 2,365.91 × 928.46
4. Step 4: Simplify right side
   1,714.42x = 2,196,648.16
5. Step 5: Solve for x
   x = 2,196,648.16/1,714.42
6. Step 6: Final answer
   x = 1,281.28