Finding the Fourth Proportional to 22,055.10, 30,443.16 and 14,118.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,055.10 : 30,443.16 = 14,118.72 : x
2. Step 2: Convert to fraction form
   22,055.10/30,443.16 = 14,118.72/x
3. Step 3: Cross multiply
   22,055.10x = 30,443.16 × 14,118.72
4. Step 4: Simplify right side
   22,055.10x = 429,818,451.96
5. Step 5: Solve for x
   x = 429,818,451.96/22,055.10
6. Step 6: Final answer
   x = 19,488.39