Finding the Fourth Proportional to 1,353.29, 1,867.85 and 793.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,353.29 : 1,867.85 = 793.78 : x
2. Step 2: Convert to fraction form
   1,353.29/1,867.85 = 793.78/x
3. Step 3: Cross multiply
   1,353.29x = 1,867.85 × 793.78
4. Step 4: Simplify right side
   1,353.29x = 1,482,656.31
5. Step 5: Solve for x
   x = 1,482,656.31/1,353.29
6. Step 6: Final answer
   x = 1,095.60