Finding the Fourth Proportional to 8,111.44, 12,162.50 and 3,175.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,111.44 : 12,162.50 = 3,175.30 : x
2. Step 2: Convert to fraction form
   8,111.44/12,162.50 = 3,175.30/x
3. Step 3: Cross multiply
   8,111.44x = 12,162.50 × 3,175.30
4. Step 4: Simplify right side
   8,111.44x = 38,619,509.56
5. Step 5: Solve for x
   x = 38,619,509.56/8,111.44
6. Step 6: Final answer
   x = 4,761.12