Finding the Fourth Proportional to 19,269.72, 28,906.51 and 5,229.98

Step by Step Solution

1. Step 1: Write the proportion equation
   19,269.72 : 28,906.51 = 5,229.98 : x
2. Step 2: Convert to fraction form
   19,269.72/28,906.51 = 5,229.98/x
3. Step 3: Cross multiply
   19,269.72x = 28,906.51 × 5,229.98
4. Step 4: Simplify right side
   19,269.72x = 151,180,439.57
5. Step 5: Solve for x
   x = 151,180,439.57/19,269.72
6. Step 6: Final answer
   x = 7,845.49