Finding the Fourth Proportional to 8,110.72, 12,165.62 and 2,488.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,110.72 : 12,165.62 = 2,488.38 : x
2. Step 2: Convert to fraction form
   8,110.72/12,165.62 = 2,488.38/x
3. Step 3: Cross multiply
   8,110.72x = 12,165.62 × 2,488.38
4. Step 4: Simplify right side
   8,110.72x = 30,272,685.50
5. Step 5: Solve for x
   x = 30,272,685.50/8,110.72
6. Step 6: Final answer
   x = 3,732.43