Finding the Fourth Proportional to 1,353.31, 1,867.46 and 793.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,353.31 : 1,867.46 = 793.80 : x
2. Step 2: Convert to fraction form
   1,353.31/1,867.46 = 793.80/x
3. Step 3: Cross multiply
   1,353.31x = 1,867.46 × 793.80
4. Step 4: Simplify right side
   1,353.31x = 1,482,385.78
5. Step 5: Solve for x
   x = 1,482,385.78/1,353.31
6. Step 6: Final answer
   x = 1,095.38