Finding the Fourth Proportional to 10,004.63, 15,016.04 and 5,328.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,004.63 : 15,016.04 = 5,328.56 : x
2. Step 2: Convert to fraction form
   10,004.63/15,016.04 = 5,328.56/x
3. Step 3: Cross multiply
   10,004.63x = 15,016.04 × 5,328.56
4. Step 4: Simplify right side
   10,004.63x = 80,013,870.10
5. Step 5: Solve for x
   x = 80,013,870.10/10,004.63
6. Step 6: Final answer
   x = 7,997.68