Finding the Fourth Proportional to 19,233.72, 28,852.20 and 5,382.72

Step by Step Solution

1. Step 1: Write the proportion equation
   19,233.72 : 28,852.20 = 5,382.72 : x
2. Step 2: Convert to fraction form
   19,233.72/28,852.20 = 5,382.72/x
3. Step 3: Cross multiply
   19,233.72x = 28,852.20 × 5,382.72
4. Step 4: Simplify right side
   19,233.72x = 155,303,313.98
5. Step 5: Solve for x
   x = 155,303,313.98/19,233.72
6. Step 6: Final answer
   x = 8,074.53