Finding the Fourth Proportional to 1,732.42, 2,392.72 and 1,145.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,732.42 : 2,392.72 = 1,145.56 : x
2. Step 2: Convert to fraction form
   1,732.42/2,392.72 = 1,145.56/x
3. Step 3: Cross multiply
   1,732.42x = 2,392.72 × 1,145.56
4. Step 4: Simplify right side
   1,732.42x = 2,741,004.32
5. Step 5: Solve for x
   x = 2,741,004.32/1,732.42
6. Step 6: Final answer
   x = 1,582.18