Finding the Fourth Proportional to 22,288.47, 30,751.96 and 13,786.51

Step by Step Solution

1. Step 1: Write the proportion equation
   22,288.47 : 30,751.96 = 13,786.51 : x
2. Step 2: Convert to fraction form
   22,288.47/30,751.96 = 13,786.51/x
3. Step 3: Cross multiply
   22,288.47x = 30,751.96 × 13,786.51
4. Step 4: Simplify right side
   22,288.47x = 423,962,204.06
5. Step 5: Solve for x
   x = 423,962,204.06/22,288.47
6. Step 6: Final answer
   x = 19,021.59