Finding the Fourth Proportional to 22,171.16, 30,606.18 and 14,621.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,171.16 : 30,606.18 = 14,621.96 : x
2. Step 2: Convert to fraction form
   22,171.16/30,606.18 = 14,621.96/x
3. Step 3: Cross multiply
   22,171.16x = 30,606.18 × 14,621.96
4. Step 4: Simplify right side
   22,171.16x = 447,522,339.71
5. Step 5: Solve for x
   x = 447,522,339.71/22,171.16
6. Step 6: Final answer
   x = 20,184.89