Finding the Fourth Proportional to 22,150.28, 30,699.35 and 21,735.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,150.28 : 30,699.35 = 21,735.56 : x
2. Step 2: Convert to fraction form
   22,150.28/30,699.35 = 21,735.56/x
3. Step 3: Cross multiply
   22,150.28x = 30,699.35 × 21,735.56
4. Step 4: Simplify right side
   22,150.28x = 667,267,563.89
5. Step 5: Solve for x
   x = 667,267,563.89/22,150.28
6. Step 6: Final answer
   x = 30,124.57