Finding the Fourth Proportional to 23,978.79, 33,069.24 and 15,027.30

Step by Step Solution

1. Step 1: Write the proportion equation
   23,978.79 : 33,069.24 = 15,027.30 : x
2. Step 2: Convert to fraction form
   23,978.79/33,069.24 = 15,027.30/x
3. Step 3: Cross multiply
   23,978.79x = 33,069.24 × 15,027.30
4. Step 4: Simplify right side
   23,978.79x = 496,941,390.25
5. Step 5: Solve for x
   x = 496,941,390.25/23,978.79
6. Step 6: Final answer
   x = 20,724.21