Finding the Fourth Proportional to 22,166.72, 30,594.03 and 13,214.81

Step by Step Solution

1. Step 1: Write the proportion equation
   22,166.72 : 30,594.03 = 13,214.81 : x
2. Step 2: Convert to fraction form
   22,166.72/30,594.03 = 13,214.81/x
3. Step 3: Cross multiply
   22,166.72x = 30,594.03 × 13,214.81
4. Step 4: Simplify right side
   22,166.72x = 404,294,293.58
5. Step 5: Solve for x
   x = 404,294,293.58/22,166.72
6. Step 6: Final answer
   x = 18,238.80