Finding the Fourth Proportional to 22,174.81, 30,601.24 and 15,113.57

Step by Step Solution

1. Step 1: Write the proportion equation
   22,174.81 : 30,601.24 = 15,113.57 : x
2. Step 2: Convert to fraction form
   22,174.81/30,601.24 = 15,113.57/x
3. Step 3: Cross multiply
   22,174.81x = 30,601.24 × 15,113.57
4. Step 4: Simplify right side
   22,174.81x = 462,494,001.72
5. Step 5: Solve for x
   x = 462,494,001.72/22,174.81
6. Step 6: Final answer
   x = 20,856.73