Finding the Fourth Proportional to 22,288.98, 30,752.66 and 13,787

Step by Step Solution

1. Step 1: Write the proportion equation
   22,288.98 : 30,752.66 = 13,787 : x
2. Step 2: Convert to fraction form
   22,288.98/30,752.66 = 13,787/x
3. Step 3: Cross multiply
   22,288.98x = 30,752.66 × 13,787
4. Step 4: Simplify right side
   22,288.98x = 423,986,923.42
5. Step 5: Solve for x
   x = 423,986,923.42/22,288.98
6. Step 6: Final answer
   x = 19,022.27