Finding the Fourth Proportional to 30,981.49, 42,754.71 and 16,834.33

Step by Step Solution

1. Step 1: Write the proportion equation
   30,981.49 : 42,754.71 = 16,834.33 : x
2. Step 2: Convert to fraction form
   30,981.49/42,754.71 = 16,834.33/x
3. Step 3: Cross multiply
   30,981.49x = 42,754.71 × 16,834.33
4. Step 4: Simplify right side
   30,981.49x = 719,746,897.19
5. Step 5: Solve for x
   x = 719,746,897.19/30,981.49
6. Step 6: Final answer
   x = 23,231.52