Finding the Fourth Proportional to 8,518.48, 12,764.69 and 3,585.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,518.48 : 12,764.69 = 3,585.42 : x
2. Step 2: Convert to fraction form
   8,518.48/12,764.69 = 3,585.42/x
3. Step 3: Cross multiply
   8,518.48x = 12,764.69 × 3,585.42
4. Step 4: Simplify right side
   8,518.48x = 45,766,774.82
5. Step 5: Solve for x
   x = 45,766,774.82/8,518.48
6. Step 6: Final answer
   x = 5,372.65