Finding the Fourth Proportional to 1,317.34, 1,817.94 and 793.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,317.34 : 1,817.94 = 793.72 : x
2. Step 2: Convert to fraction form
   1,317.34/1,817.94 = 793.72/x
3. Step 3: Cross multiply
   1,317.34x = 1,817.94 × 793.72
4. Step 4: Simplify right side
   1,317.34x = 1,442,935.34
5. Step 5: Solve for x
   x = 1,442,935.34/1,317.34
6. Step 6: Final answer
   x = 1,095.34