Finding the Fourth Proportional to 22,150.50, 30,570.06 and 13,650.81

Step by Step Solution

1. Step 1: Write the proportion equation
   22,150.50 : 30,570.06 = 13,650.81 : x
2. Step 2: Convert to fraction form
   22,150.50/30,570.06 = 13,650.81/x
3. Step 3: Cross multiply
   22,150.50x = 30,570.06 × 13,650.81
4. Step 4: Simplify right side
   22,150.50x = 417,306,080.75
5. Step 5: Solve for x
   x = 417,306,080.75/22,150.50
6. Step 6: Final answer
   x = 18,839.58