Finding the Fourth Proportional to 20,272.27, 30,395.98 and 7,126.15

Step by Step Solution

1. Step 1: Write the proportion equation
   20,272.27 : 30,395.98 = 7,126.15 : x
2. Step 2: Convert to fraction form
   20,272.27/30,395.98 = 7,126.15/x
3. Step 3: Cross multiply
   20,272.27x = 30,395.98 × 7,126.15
4. Step 4: Simplify right side
   20,272.27x = 216,606,312.88
5. Step 5: Solve for x
   x = 216,606,312.88/20,272.27
6. Step 6: Final answer
   x = 10,684.86