Finding the Fourth Proportional to 30,614.71, 42,247.69 and 17,185.99

Step by Step Solution

1. Step 1: Write the proportion equation
   30,614.71 : 42,247.69 = 17,185.99 : x
2. Step 2: Convert to fraction form
   30,614.71/42,247.69 = 17,185.99/x
3. Step 3: Cross multiply
   30,614.71x = 42,247.69 × 17,185.99
4. Step 4: Simplify right side
   30,614.71x = 726,068,377.86
5. Step 5: Solve for x
   x = 726,068,377.86/30,614.71
6. Step 6: Final answer
   x = 23,716.32