Finding the Fourth Proportional to 2,892.88, 4,339.52 and 1,161.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,892.88 : 4,339.52 = 1,161.50 : x
2. Step 2: Convert to fraction form
   2,892.88/4,339.52 = 1,161.50/x
3. Step 3: Cross multiply
   2,892.88x = 4,339.52 × 1,161.50
4. Step 4: Simplify right side
   2,892.88x = 5,040,346.67
5. Step 5: Solve for x
   x = 5,040,346.67/2,892.88
6. Step 6: Final answer
   x = 1,742.33