Finding the Fourth Proportional to 30,847.94, 42,574.20 and 22,912.82

Step by Step Solution

1. Step 1: Write the proportion equation
   30,847.94 : 42,574.20 = 22,912.82 : x
2. Step 2: Convert to fraction form
   30,847.94/42,574.20 = 22,912.82/x
3. Step 3: Cross multiply
   30,847.94x = 42,574.20 × 22,912.82
4. Step 4: Simplify right side
   30,847.94x = 975,494,981.24
5. Step 5: Solve for x
   x = 975,494,981.24/30,847.94
6. Step 6: Final answer
   x = 31,622.69