Finding the Fourth Proportional to 8,113.50, 12,161.52 and 3,432.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,113.50 : 12,161.52 = 3,432.42 : x
2. Step 2: Convert to fraction form
   8,113.50/12,161.52 = 3,432.42/x
3. Step 3: Cross multiply
   8,113.50x = 12,161.52 × 3,432.42
4. Step 4: Simplify right side
   8,113.50x = 41,743,444.48
5. Step 5: Solve for x
   x = 41,743,444.48/8,113.50
6. Step 6: Final answer
   x = 5,144.94