Finding the Fourth Proportional to 2,091.18, 3,134.89 and 793.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,091.18 : 3,134.89 = 793.56 : x
2. Step 2: Convert to fraction form
   2,091.18/3,134.89 = 793.56/x
3. Step 3: Cross multiply
   2,091.18x = 3,134.89 × 793.56
4. Step 4: Simplify right side
   2,091.18x = 2,487,723.31
5. Step 5: Solve for x
   x = 2,487,723.31/2,091.18
6. Step 6: Final answer
   x = 1,189.63