Finding the Fourth Proportional to 30,885.63, 42,622.29 and 16,738.49

Step by Step Solution

1. Step 1: Write the proportion equation
   30,885.63 : 42,622.29 = 16,738.49 : x
2. Step 2: Convert to fraction form
   30,885.63/42,622.29 = 16,738.49/x
3. Step 3: Cross multiply
   30,885.63x = 42,622.29 × 16,738.49
4. Step 4: Simplify right side
   30,885.63x = 713,432,561.83
5. Step 5: Solve for x
   x = 713,432,561.83/30,885.63
6. Step 6: Final answer
   x = 23,099.17