Finding the Fourth Proportional to 1,382.85, 1,908.31 and 793.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,382.85 : 1,908.31 = 793.47 : x
2. Step 2: Convert to fraction form
   1,382.85/1,908.31 = 793.47/x
3. Step 3: Cross multiply
   1,382.85x = 1,908.31 × 793.47
4. Step 4: Simplify right side
   1,382.85x = 1,514,191.51
5. Step 5: Solve for x
   x = 1,514,191.51/1,382.85
6. Step 6: Final answer
   x = 1,094.98