Finding the Fourth Proportional to 1,105.32, 1,654.68 and 714.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.32 : 1,654.68 = 714.56 : x
2. Step 2: Convert to fraction form
   1,105.32/1,654.68 = 714.56/x
3. Step 3: Cross multiply
   1,105.32x = 1,654.68 × 714.56
4. Step 4: Simplify right side
   1,105.32x = 1,182,368.14
5. Step 5: Solve for x
   x = 1,182,368.14/1,105.32
6. Step 6: Final answer
   x = 1,069.71