Finding the Fourth Proportional to 1,382.61, 1,908.06 and 793.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,382.61 : 1,908.06 = 793.16 : x
2. Step 2: Convert to fraction form
   1,382.61/1,908.06 = 793.16/x
3. Step 3: Cross multiply
   1,382.61x = 1,908.06 × 793.16
4. Step 4: Simplify right side
   1,382.61x = 1,513,387.33
5. Step 5: Solve for x
   x = 1,513,387.33/1,382.61
6. Step 6: Final answer
   x = 1,094.59