Finding the Fourth Proportional to 16,061.76, 22,142.74 and 13,847.20

Step by Step Solution

1. Step 1: Write the proportion equation
   16,061.76 : 22,142.74 = 13,847.20 : x
2. Step 2: Convert to fraction form
   16,061.76/22,142.74 = 13,847.20/x
3. Step 3: Cross multiply
   16,061.76x = 22,142.74 × 13,847.20
4. Step 4: Simplify right side
   16,061.76x = 306,614,949.33
5. Step 5: Solve for x
   x = 306,614,949.33/16,061.76
6. Step 6: Final answer
   x = 19,089.75