Finding the Fourth Proportional to 1,293.27, 1,929.89 and 1,154.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,293.27 : 1,929.89 = 1,154.82 : x
2. Step 2: Convert to fraction form
   1,293.27/1,929.89 = 1,154.82/x
3. Step 3: Cross multiply
   1,293.27x = 1,929.89 × 1,154.82
4. Step 4: Simplify right side
   1,293.27x = 2,228,685.69
5. Step 5: Solve for x
   x = 2,228,685.69/1,293.27
6. Step 6: Final answer
   x = 1,723.30