Finding the Fourth Proportional to 13,372.42, 20,061.33 and 9,214.42

Step by Step Solution

1. Step 1: Write the proportion equation
   13,372.42 : 20,061.33 = 9,214.42 : x
2. Step 2: Convert to fraction form
   13,372.42/20,061.33 = 9,214.42/x
3. Step 3: Cross multiply
   13,372.42x = 20,061.33 × 9,214.42
4. Step 4: Simplify right side
   13,372.42x = 184,853,520.38
5. Step 5: Solve for x
   x = 184,853,520.38/13,372.42
6. Step 6: Final answer
   x = 13,823.49