Finding the Fourth Proportional to 1,340.72, 2,006.04 and 793.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,340.72 : 2,006.04 = 793.16 : x
2. Step 2: Convert to fraction form
   1,340.72/2,006.04 = 793.16/x
3. Step 3: Cross multiply
   1,340.72x = 2,006.04 × 793.16
4. Step 4: Simplify right side
   1,340.72x = 1,591,110.69
5. Step 5: Solve for x
   x = 1,591,110.69/1,340.72
6. Step 6: Final answer
   x = 1,186.76