Finding the Fourth Proportional to 22,280.20, 30,735.18 and 15,107.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,280.20 : 30,735.18 = 15,107.69 : x
2. Step 2: Convert to fraction form
   22,280.20/30,735.18 = 15,107.69/x
3. Step 3: Cross multiply
   22,280.20x = 30,735.18 × 15,107.69
4. Step 4: Simplify right side
   22,280.20x = 464,337,648.37
5. Step 5: Solve for x
   x = 464,337,648.37/22,280.20
6. Step 6: Final answer
   x = 20,840.82