Finding the Fourth Proportional to 30,910.98, 42,656.94 and 16,763.82

Step by Step Solution

1. Step 1: Write the proportion equation
   30,910.98 : 42,656.94 = 16,763.82 : x
2. Step 2: Convert to fraction form
   30,910.98/42,656.94 = 16,763.82/x
3. Step 3: Cross multiply
   30,910.98x = 42,656.94 × 16,763.82
4. Step 4: Simplify right side
   30,910.98x = 715,093,263.91
5. Step 5: Solve for x
   x = 715,093,263.91/30,910.98
6. Step 6: Final answer
   x = 23,133.96