Finding the Fourth Proportional to 20,653.37, 30,981.23 and 5,861.12

Step by Step Solution

1. Step 1: Write the proportion equation
   20,653.37 : 30,981.23 = 5,861.12 : x
2. Step 2: Convert to fraction form
   20,653.37/30,981.23 = 5,861.12/x
3. Step 3: Cross multiply
   20,653.37x = 30,981.23 × 5,861.12
4. Step 4: Simplify right side
   20,653.37x = 181,584,677.47
5. Step 5: Solve for x
   x = 181,584,677.47/20,653.37
6. Step 6: Final answer
   x = 8,792.01