Finding the Fourth Proportional to 22,103.88, 30,507.31 and 14,145.83

Step by Step Solution

1. Step 1: Write the proportion equation
   22,103.88 : 30,507.31 = 14,145.83 : x
2. Step 2: Convert to fraction form
   22,103.88/30,507.31 = 14,145.83/x
3. Step 3: Cross multiply
   22,103.88x = 30,507.31 × 14,145.83
4. Step 4: Simplify right side
   22,103.88x = 431,551,150.29
5. Step 5: Solve for x
   x = 431,551,150.29/22,103.88
6. Step 6: Final answer
   x = 19,523.77