Finding the Fourth Proportional to 8,111.10, 12,165.43 and 3,184.14

Step by Step Solution

1. Step 1: Write the proportion equation
   8,111.10 : 12,165.43 = 3,184.14 : x
2. Step 2: Convert to fraction form
   8,111.10/12,165.43 = 3,184.14/x
3. Step 3: Cross multiply
   8,111.10x = 12,165.43 × 3,184.14
4. Step 4: Simplify right side
   8,111.10x = 38,736,432.28
5. Step 5: Solve for x
   x = 38,736,432.28/8,111.10
6. Step 6: Final answer
   x = 4,775.73