Finding the Fourth Proportional to 1,145.42, 1,715.73 and 732.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,145.42 : 1,715.73 = 732.46 : x
2. Step 2: Convert to fraction form
   1,145.42/1,715.73 = 732.46/x
3. Step 3: Cross multiply
   1,145.42x = 1,715.73 × 732.46
4. Step 4: Simplify right side
   1,145.42x = 1,256,695.02
5. Step 5: Solve for x
   x = 1,256,695.02/1,145.42
6. Step 6: Final answer
   x = 1,097.15