Finding the Fourth Proportional to 2,591.10, 3,874.79 and 1,933.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,591.10 : 3,874.79 = 1,933.46 : x
2. Step 2: Convert to fraction form
   2,591.10/3,874.79 = 1,933.46/x
3. Step 3: Cross multiply
   2,591.10x = 3,874.79 × 1,933.46
4. Step 4: Simplify right side
   2,591.10x = 7,491,751.47
5. Step 5: Solve for x
   x = 7,491,751.47/2,591.10
6. Step 6: Final answer
   x = 2,891.34