Finding the Fourth Proportional to 12,440.90, 18,664.52 and 3,675.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,440.90 : 18,664.52 = 3,675.82 : x
2. Step 2: Convert to fraction form
   12,440.90/18,664.52 = 3,675.82/x
3. Step 3: Cross multiply
   12,440.90x = 18,664.52 × 3,675.82
4. Step 4: Simplify right side
   12,440.90x = 68,607,333.37
5. Step 5: Solve for x
   x = 68,607,333.37/12,440.90
6. Step 6: Final answer
   x = 5,514.66