Finding the Fourth Proportional to 1,571.40, 2,356.56 and 749.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,571.40 : 2,356.56 = 749.52 : x
2. Step 2: Convert to fraction form
   1,571.40/2,356.56 = 749.52/x
3. Step 3: Cross multiply
   1,571.40x = 2,356.56 × 749.52
4. Step 4: Simplify right side
   1,571.40x = 1,766,288.85
5. Step 5: Solve for x
   x = 1,766,288.85/1,571.40
6. Step 6: Final answer
   x = 1,124.02