Finding the Fourth Proportional to 2,892.94, 4,339.61 and 1,161.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,892.94 : 4,339.61 = 1,161.56 : x
2. Step 2: Convert to fraction form
   2,892.94/4,339.61 = 1,161.56/x
3. Step 3: Cross multiply
   2,892.94x = 4,339.61 × 1,161.56
4. Step 4: Simplify right side
   2,892.94x = 5,040,726.79
5. Step 5: Solve for x
   x = 5,040,726.79/2,892.94
6. Step 6: Final answer
   x = 1,742.43