Finding the Fourth Proportional to 22,574.56, 31,142.52 and 14,619.40

Step by Step Solution

1. Step 1: Write the proportion equation
   22,574.56 : 31,142.52 = 14,619.40 : x
2. Step 2: Convert to fraction form
   22,574.56/31,142.52 = 14,619.40/x
3. Step 3: Cross multiply
   22,574.56x = 31,142.52 × 14,619.40
4. Step 4: Simplify right side
   22,574.56x = 455,284,956.89
5. Step 5: Solve for x
   x = 455,284,956.89/22,574.56
6. Step 6: Final answer
   x = 20,168.05