Finding the Fourth Proportional to 1,382.63, 1,907.60 and 793.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,382.63 : 1,907.60 = 793.07 : x
2. Step 2: Convert to fraction form
   1,382.63/1,907.60 = 793.07/x
3. Step 3: Cross multiply
   1,382.63x = 1,907.60 × 793.07
4. Step 4: Simplify right side
   1,382.63x = 1,512,846.83
5. Step 5: Solve for x
   x = 1,512,846.83/1,382.63
6. Step 6: Final answer
   x = 1,094.18