Finding the Fourth Proportional to 30,834.50, 42,551.61 and 16,687.34

Step by Step Solution

1. Step 1: Write the proportion equation
   30,834.50 : 42,551.61 = 16,687.34 : x
2. Step 2: Convert to fraction form
   30,834.50/42,551.61 = 16,687.34/x
3. Step 3: Cross multiply
   30,834.50x = 42,551.61 × 16,687.34
4. Step 4: Simplify right side
   30,834.50x = 710,073,290.00
5. Step 5: Solve for x
   x = 710,073,290.00/30,834.50
6. Step 6: Final answer
   x = 23,028.54