Finding the Fourth Proportional to 30,961.33, 42,726.61 and 16,814.17

Step by Step Solution

1. Step 1: Write the proportion equation
   30,961.33 : 42,726.61 = 16,814.17 : x
2. Step 2: Convert to fraction form
   30,961.33/42,726.61 = 16,814.17/x
3. Step 3: Cross multiply
   30,961.33x = 42,726.61 × 16,814.17
4. Step 4: Simplify right side
   30,961.33x = 718,412,484.06
5. Step 5: Solve for x
   x = 718,412,484.06/30,961.33
6. Step 6: Final answer
   x = 23,203.54