Finding the Fourth Proportional to 1,105.52, 1,656.48 and 714.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.52 : 1,656.48 = 714.56 : x
2. Step 2: Convert to fraction form
   1,105.52/1,656.48 = 714.56/x
3. Step 3: Cross multiply
   1,105.52x = 1,656.48 × 714.56
4. Step 4: Simplify right side
   1,105.52x = 1,183,654.35
5. Step 5: Solve for x
   x = 1,183,654.35/1,105.52
6. Step 6: Final answer
   x = 1,070.68