Finding the Fourth Proportional to 30,797.42, 42,476.28 and 22,300.82

Step by Step Solution

1. Step 1: Write the proportion equation
   30,797.42 : 42,476.28 = 22,300.82 : x
2. Step 2: Convert to fraction form
   30,797.42/42,476.28 = 22,300.82/x
3. Step 3: Cross multiply
   30,797.42x = 42,476.28 × 22,300.82
4. Step 4: Simplify right side
   30,797.42x = 947,255,874.55
5. Step 5: Solve for x
   x = 947,255,874.55/30,797.42
6. Step 6: Final answer
   x = 30,757.64