Finding the Fourth Proportional to 20,158.32, 30,251.24 and 7,010.56

Step by Step Solution

1. Step 1: Write the proportion equation
   20,158.32 : 30,251.24 = 7,010.56 : x
2. Step 2: Convert to fraction form
   20,158.32/30,251.24 = 7,010.56/x
3. Step 3: Cross multiply
   20,158.32x = 30,251.24 × 7,010.56
4. Step 4: Simplify right side
   20,158.32x = 212,078,133.09
5. Step 5: Solve for x
   x = 212,078,133.09/20,158.32
6. Step 6: Final answer
   x = 10,520.63