Finding the Fourth Proportional to 1,714.31, 2,365.77 and 928.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,714.31 : 2,365.77 = 928.38 : x
2. Step 2: Convert to fraction form
   1,714.31/2,365.77 = 928.38/x
3. Step 3: Cross multiply
   1,714.31x = 2,365.77 × 928.38
4. Step 4: Simplify right side
   1,714.31x = 2,196,333.55
5. Step 5: Solve for x
   x = 2,196,333.55/1,714.31
6. Step 6: Final answer
   x = 1,281.18