Finding the Fourth Proportional to 10,009.01, 15,009.06 and 5,328.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,009.01 : 15,009.06 = 5,328.02 : x
2. Step 2: Convert to fraction form
   10,009.01/15,009.06 = 5,328.02/x
3. Step 3: Cross multiply
   10,009.01x = 15,009.06 × 5,328.02
4. Step 4: Simplify right side
   10,009.01x = 79,968,571.86
5. Step 5: Solve for x
   x = 79,968,571.86/10,009.01
6. Step 6: Final answer
   x = 7,989.66