Finding the Fourth Proportional to 1,191.69, 1,643.31 and 793.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,191.69 : 1,643.31 = 793.23 : x
2. Step 2: Convert to fraction form
   1,191.69/1,643.31 = 793.23/x
3. Step 3: Cross multiply
   1,191.69x = 1,643.31 × 793.23
4. Step 4: Simplify right side
   1,191.69x = 1,303,522.79
5. Step 5: Solve for x
   x = 1,303,522.79/1,191.69
6. Step 6: Final answer
   x = 1,093.84