Finding the Fourth Proportional to 20,158.02, 30,238.56 and 5,366.88

Step by Step Solution

1. Step 1: Write the proportion equation
   20,158.02 : 30,238.56 = 5,366.88 : x
2. Step 2: Convert to fraction form
   20,158.02/30,238.56 = 5,366.88/x
3. Step 3: Cross multiply
   20,158.02x = 30,238.56 × 5,366.88
4. Step 4: Simplify right side
   20,158.02x = 162,286,722.89
5. Step 5: Solve for x
   x = 162,286,722.89/20,158.02
6. Step 6: Final answer
   x = 8,050.73