Finding the Fourth Proportional to 30,726.49, 42,399.62 and 22,664.53

Step by Step Solution

1. Step 1: Write the proportion equation
   30,726.49 : 42,399.62 = 22,664.53 : x
2. Step 2: Convert to fraction form
   30,726.49/42,399.62 = 22,664.53/x
3. Step 3: Cross multiply
   30,726.49x = 42,399.62 × 22,664.53
4. Step 4: Simplify right side
   30,726.49x = 960,967,134.16
5. Step 5: Solve for x
   x = 960,967,134.16/30,726.49
6. Step 6: Final answer
   x = 31,274.88