Finding the Fourth Proportional to 30,796.89, 42,499.76 and 16,649.73

Step by Step Solution

1. Step 1: Write the proportion equation
   30,796.89 : 42,499.76 = 16,649.73 : x
2. Step 2: Convert to fraction form
   30,796.89/42,499.76 = 16,649.73/x
3. Step 3: Cross multiply
   30,796.89x = 42,499.76 × 16,649.73
4. Step 4: Simplify right side
   30,796.89x = 707,609,570.69
5. Step 5: Solve for x
   x = 707,609,570.69/30,796.89
6. Step 6: Final answer
   x = 22,976.66