Finding the Fourth Proportional to 22,123.35, 30,527.96 and 13,171.23

Step by Step Solution

1. Step 1: Write the proportion equation
   22,123.35 : 30,527.96 = 13,171.23 : x
2. Step 2: Convert to fraction form
   22,123.35/30,527.96 = 13,171.23/x
3. Step 3: Cross multiply
   22,123.35x = 30,527.96 × 13,171.23
4. Step 4: Simplify right side
   22,123.35x = 402,090,716.73
5. Step 5: Solve for x
   x = 402,090,716.73/22,123.35
6. Step 6: Final answer
   x = 18,174.95