Finding the Fourth Proportional to 2,892.53, 4,339.34 and 1,161.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,892.53 : 4,339.34 = 1,161.29 : x
2. Step 2: Convert to fraction form
   2,892.53/4,339.34 = 1,161.29/x
3. Step 3: Cross multiply
   2,892.53x = 4,339.34 × 1,161.29
4. Step 4: Simplify right side
   2,892.53x = 5,039,232.15
5. Step 5: Solve for x
   x = 5,039,232.15/2,892.53
6. Step 6: Final answer
   x = 1,742.15