Finding the Fourth Proportional to 30,597.94, 42,222.63 and 21,650.68

Step by Step Solution

1. Step 1: Write the proportion equation
   30,597.94 : 42,222.63 = 21,650.68 : x
2. Step 2: Convert to fraction form
   30,597.94/42,222.63 = 21,650.68/x
3. Step 3: Cross multiply
   30,597.94x = 42,222.63 × 21,650.68
4. Step 4: Simplify right side
   30,597.94x = 914,148,650.89
5. Step 5: Solve for x
   x = 914,148,650.89/30,597.94
6. Step 6: Final answer
   x = 29,876.15