Finding the Fourth Proportional to 1,382.58, 1,907.91 and 793.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,382.58 : 1,907.91 = 793.22 : x
2. Step 2: Convert to fraction form
   1,382.58/1,907.91 = 793.22/x
3. Step 3: Cross multiply
   1,382.58x = 1,907.91 × 793.22
4. Step 4: Simplify right side
   1,382.58x = 1,513,382.83
5. Step 5: Solve for x
   x = 1,513,382.83/1,382.58
6. Step 6: Final answer
   x = 1,094.61