Finding the Fourth Proportional to 22,540.51, 31,109.61 and 13,114.54

Step by Step Solution

1. Step 1: Write the proportion equation
   22,540.51 : 31,109.61 = 13,114.54 : x
2. Step 2: Convert to fraction form
   22,540.51/31,109.61 = 13,114.54/x
3. Step 3: Cross multiply
   22,540.51x = 31,109.61 × 13,114.54
4. Step 4: Simplify right side
   22,540.51x = 407,988,224.73
5. Step 5: Solve for x
   x = 407,988,224.73/22,540.51
6. Step 6: Final answer
   x = 18,100.22