Finding the Fourth Proportional to 68,017.12, 102,025.91 and 20,632.62

Step by Step Solution

1. Step 1: Write the proportion equation
   68,017.12 : 102,025.91 = 20,632.62 : x
2. Step 2: Convert to fraction form
   68,017.12/102,025.91 = 20,632.62/x
3. Step 3: Cross multiply
   68,017.12x = 102,025.91 × 20,632.62
4. Step 4: Simplify right side
   68,017.12x = 2,105,061,691.47
5. Step 5: Solve for x
   x = 2,105,061,691.47/68,017.12
6. Step 6: Final answer
   x = 30,949.00