Finding the Fourth Proportional to 22,150.85, 30,563.42 and 13,201.31

Step by Step Solution

1. Step 1: Write the proportion equation
   22,150.85 : 30,563.42 = 13,201.31 : x
2. Step 2: Convert to fraction form
   22,150.85/30,563.42 = 13,201.31/x
3. Step 3: Cross multiply
   22,150.85x = 30,563.42 × 13,201.31
4. Step 4: Simplify right side
   22,150.85x = 403,476,963.26
5. Step 5: Solve for x
   x = 403,476,963.26/22,150.85
6. Step 6: Final answer
   x = 18,214.97