Finding the Fourth Proportional to 10,328.49, 15,487.92 and 5,063.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,328.49 : 15,487.92 = 5,063.76 : x
2. Step 2: Convert to fraction form
   10,328.49/15,487.92 = 5,063.76/x
3. Step 3: Cross multiply
   10,328.49x = 15,487.92 × 5,063.76
4. Step 4: Simplify right side
   10,328.49x = 78,427,109.78
5. Step 5: Solve for x
   x = 78,427,109.78/10,328.49
6. Step 6: Final answer
   x = 7,593.28