Finding the Fourth Proportional to 1,317.96, 1,818.72 and 793.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,317.96 : 1,818.72 = 793.98 : x
2. Step 2: Convert to fraction form
   1,317.96/1,818.72 = 793.98/x
3. Step 3: Cross multiply
   1,317.96x = 1,818.72 × 793.98
4. Step 4: Simplify right side
   1,317.96x = 1,444,027.31
5. Step 5: Solve for x
   x = 1,444,027.31/1,317.96
6. Step 6: Final answer
   x = 1,095.65