Finding the Fourth Proportional to 8,105.33, 12,152.02 and 3,172.43

Step by Step Solution

1. Step 1: Write the proportion equation
   8,105.33 : 12,152.02 = 3,172.43 : x
2. Step 2: Convert to fraction form
   8,105.33/12,152.02 = 3,172.43/x
3. Step 3: Cross multiply
   8,105.33x = 12,152.02 × 3,172.43
4. Step 4: Simplify right side
   8,105.33x = 38,551,432.81
5. Step 5: Solve for x
   x = 38,551,432.81/8,105.33
6. Step 6: Final answer
   x = 4,756.31