Finding the Fourth Proportional to 20,081.61, 30,111.12 and 8,232.12

Step by Step Solution

1. Step 1: Write the proportion equation
   20,081.61 : 30,111.12 = 8,232.12 : x
2. Step 2: Convert to fraction form
   20,081.61/30,111.12 = 8,232.12/x
3. Step 3: Cross multiply
   20,081.61x = 30,111.12 × 8,232.12
4. Step 4: Simplify right side
   20,081.61x = 247,878,353.17
5. Step 5: Solve for x
   x = 247,878,353.17/20,081.61
6. Step 6: Final answer
   x = 12,343.55