Finding the Fourth Proportional to 22,238.83, 30,647.19 and 15,940.27

Step by Step Solution

1. Step 1: Write the proportion equation
   22,238.83 : 30,647.19 = 15,940.27 : x
2. Step 2: Convert to fraction form
   22,238.83/30,647.19 = 15,940.27/x
3. Step 3: Cross multiply
   22,238.83x = 30,647.19 × 15,940.27
4. Step 4: Simplify right side
   22,238.83x = 488,524,483.34
5. Step 5: Solve for x
   x = 488,524,483.34/22,238.83
6. Step 6: Final answer
   x = 21,967.18