Finding the Fourth Proportional to 22,062.52, 30,445.50 and 12,624.40

Step by Step Solution

1. Step 1: Write the proportion equation
   22,062.52 : 30,445.50 = 12,624.40 : x
2. Step 2: Convert to fraction form
   22,062.52/30,445.50 = 12,624.40/x
3. Step 3: Cross multiply
   22,062.52x = 30,445.50 × 12,624.40
4. Step 4: Simplify right side
   22,062.52x = 384,356,170.20
5. Step 5: Solve for x
   x = 384,356,170.20/22,062.52
6. Step 6: Final answer
   x = 17,421.23