Finding the Fourth Proportional to 22,281.20, 30,736.56 and 15,108.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,281.20 : 30,736.56 = 15,108.69 : x
2. Step 2: Convert to fraction form
   22,281.20/30,736.56 = 15,108.69/x
3. Step 3: Cross multiply
   22,281.20x = 30,736.56 × 15,108.69
4. Step 4: Simplify right side
   22,281.20x = 464,389,156.71
5. Step 5: Solve for x
   x = 464,389,156.71/22,281.20
6. Step 6: Final answer
   x = 20,842.20