Finding the Fourth Proportional to 1,113.52, 1,535.52 and 740.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,113.52 : 1,535.52 = 740.56 : x
2. Step 2: Convert to fraction form
   1,113.52/1,535.52 = 740.56/x
3. Step 3: Cross multiply
   1,113.52x = 1,535.52 × 740.56
4. Step 4: Simplify right side
   1,113.52x = 1,137,144.69
5. Step 5: Solve for x
   x = 1,137,144.69/1,113.52
6. Step 6: Final answer
   x = 1,021.22