Finding the Fourth Proportional to 30,885.42, 42,622.12 and 16,738.22

Step by Step Solution

1. Step 1: Write the proportion equation
   30,885.42 : 42,622.12 = 16,738.22 : x
2. Step 2: Convert to fraction form
   30,885.42/42,622.12 = 16,738.22/x
3. Step 3: Cross multiply
   30,885.42x = 42,622.12 × 16,738.22
4. Step 4: Simplify right side
   30,885.42x = 713,418,421.43
5. Step 5: Solve for x
   x = 713,418,421.43/30,885.42
6. Step 6: Final answer
   x = 23,098.87