Finding the Fourth Proportional to 1,530.57, 2,294.57 and 709.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,530.57 : 2,294.57 = 709.43 : x
2. Step 2: Convert to fraction form
   1,530.57/2,294.57 = 709.43/x
3. Step 3: Cross multiply
   1,530.57x = 2,294.57 × 709.43
4. Step 4: Simplify right side
   1,530.57x = 1,627,825.32
5. Step 5: Solve for x
   x = 1,627,825.32/1,530.57
6. Step 6: Final answer
   x = 1,063.55