Finding the Fourth Proportional to 22,251.50, 30,707.10 and 13,868

Step by Step Solution

1. Step 1: Write the proportion equation
   22,251.50 : 30,707.10 = 13,868 : x
2. Step 2: Convert to fraction form
   22,251.50/30,707.10 = 13,868/x
3. Step 3: Cross multiply
   22,251.50x = 30,707.10 × 13,868
4. Step 4: Simplify right side
   22,251.50x = 425,846,062.80
5. Step 5: Solve for x
   x = 425,846,062.80/22,251.50
6. Step 6: Final answer
   x = 19,137.86