Finding the Fourth Proportional to 2,634.48, 3,635.79 and 1,515.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,634.48 : 3,635.79 = 1,515.69 : x
2. Step 2: Convert to fraction form
   2,634.48/3,635.79 = 1,515.69/x
3. Step 3: Cross multiply
   2,634.48x = 3,635.79 × 1,515.69
4. Step 4: Simplify right side
   2,634.48x = 5,510,730.55
5. Step 5: Solve for x
   x = 5,510,730.55/2,634.48
6. Step 6: Final answer
   x = 2,091.77