Finding the Fourth Proportional to 22,969.89, 34,408.70 and 10,472.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,969.89 : 34,408.70 = 10,472.72 : x
2. Step 2: Convert to fraction form
   22,969.89/34,408.70 = 10,472.72/x
3. Step 3: Cross multiply
   22,969.89x = 34,408.70 × 10,472.72
4. Step 4: Simplify right side
   22,969.89x = 360,352,861.59
5. Step 5: Solve for x
   x = 360,352,861.59/22,969.89
6. Step 6: Final answer
   x = 15,688.05