Finding the Fourth Proportional to 22,951.80, 31,693.41 and 21,770.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,951.80 : 31,693.41 = 21,770.82 : x
2. Step 2: Convert to fraction form
   22,951.80/31,693.41 = 21,770.82/x
3. Step 3: Cross multiply
   22,951.80x = 31,693.41 × 21,770.82
4. Step 4: Simplify right side
   22,951.80x = 689,991,524.30
5. Step 5: Solve for x
   x = 689,991,524.30/22,951.80
6. Step 6: Final answer
   x = 30,062.63