Finding the Fourth Proportional to 2,092.42, 3,141.70 and 1,169.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,092.42 : 3,141.70 = 1,169.78 : x
2. Step 2: Convert to fraction form
   2,092.42/3,141.70 = 1,169.78/x
3. Step 3: Cross multiply
   2,092.42x = 3,141.70 × 1,169.78
4. Step 4: Simplify right side
   2,092.42x = 3,675,097.83
5. Step 5: Solve for x
   x = 3,675,097.83/2,092.42
6. Step 6: Final answer
   x = 1,756.39