Finding the Fourth Proportional to 8,515.53, 12,760.27 and 3,582.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,515.53 : 12,760.27 = 3,582.50 : x
2. Step 2: Convert to fraction form
   8,515.53/12,760.27 = 3,582.50/x
3. Step 3: Cross multiply
   8,515.53x = 12,760.27 × 3,582.50
4. Step 4: Simplify right side
   8,515.53x = 45,713,594.52
5. Step 5: Solve for x
   x = 45,713,594.52/8,515.53
6. Step 6: Final answer
   x = 5,368.26