Finding the Fourth Proportional to 1,433.54, 2,152.29 and 740.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433.54 : 2,152.29 = 740.72 : x
2. Step 2: Convert to fraction form
   1,433.54/2,152.29 = 740.72/x
3. Step 3: Cross multiply
   1,433.54x = 2,152.29 × 740.72
4. Step 4: Simplify right side
   1,433.54x = 1,594,233.49
5. Step 5: Solve for x
   x = 1,594,233.49/1,433.54
6. Step 6: Final answer
   x = 1,112.10