Finding the Fourth Proportional to 1,142.76, 1,716.87 and 732.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142.76 : 1,716.87 = 732.69 : x
2. Step 2: Convert to fraction form
   1,142.76/1,716.87 = 732.69/x
3. Step 3: Cross multiply
   1,142.76x = 1,716.87 × 732.69
4. Step 4: Simplify right side
   1,142.76x = 1,257,933.48
5. Step 5: Solve for x
   x = 1,257,933.48/1,142.76
6. Step 6: Final answer
   x = 1,100.79