Finding the Fourth Proportional to 30,885.55, 42,622.04 and 16,738.40

Step by Step Solution

1. Step 1: Write the proportion equation
   30,885.55 : 42,622.04 = 16,738.40 : x
2. Step 2: Convert to fraction form
   30,885.55/42,622.04 = 16,738.40/x
3. Step 3: Cross multiply
   30,885.55x = 42,622.04 × 16,738.40
4. Step 4: Simplify right side
   30,885.55x = 713,424,499.38
5. Step 5: Solve for x
   x = 713,424,499.38/30,885.55
6. Step 6: Final answer
   x = 23,098.97