Finding the Fourth Proportional to 1,152.72, 1,730.10 and 740.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152.72 : 1,730.10 = 740.52 : x
2. Step 2: Convert to fraction form
   1,152.72/1,730.10 = 740.52/x
3. Step 3: Cross multiply
   1,152.72x = 1,730.10 × 740.52
4. Step 4: Simplify right side
   1,152.72x = 1,281,173.65
5. Step 5: Solve for x
   x = 1,281,173.65/1,152.72
6. Step 6: Final answer
   x = 1,111.44