Finding the Fourth Proportional to 2,591.96, 3,882.52 and 2,518.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,591.96 : 3,882.52 = 2,518.12 : x
2. Step 2: Convert to fraction form
   2,591.96/3,882.52 = 2,518.12/x
3. Step 3: Cross multiply
   2,591.96x = 3,882.52 × 2,518.12
4. Step 4: Simplify right side
   2,591.96x = 9,776,651.26
5. Step 5: Solve for x
   x = 9,776,651.26/2,591.96
6. Step 6: Final answer
   x = 3,771.91