Finding the Fourth Proportional to 8,038.45, 12,057.41 and 3,109.13

Step by Step Solution

1. Step 1: Write the proportion equation
   8,038.45 : 12,057.41 = 3,109.13 : x
2. Step 2: Convert to fraction form
   8,038.45/12,057.41 = 3,109.13/x
3. Step 3: Cross multiply
   8,038.45x = 12,057.41 × 3,109.13
4. Step 4: Simplify right side
   8,038.45x = 37,488,039.61
5. Step 5: Solve for x
   x = 37,488,039.61/8,038.45
6. Step 6: Final answer
   x = 4,663.59