Finding the Fourth Proportional to 1,152.38, 1,717.45 and 1,150.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152.38 : 1,717.45 = 1,150.55 : x
2. Step 2: Convert to fraction form
   1,152.38/1,717.45 = 1,150.55/x
3. Step 3: Cross multiply
   1,152.38x = 1,717.45 × 1,150.55
4. Step 4: Simplify right side
   1,152.38x = 1,976,012.10
5. Step 5: Solve for x
   x = 1,976,012.10/1,152.38
6. Step 6: Final answer
   x = 1,714.72