Finding the Fourth Proportional to 30,796.86, 42,499.67 and 16,649.71

Step by Step Solution

1. Step 1: Write the proportion equation
   30,796.86 : 42,499.67 = 16,649.71 : x
2. Step 2: Convert to fraction form
   30,796.86/42,499.67 = 16,649.71/x
3. Step 3: Cross multiply
   30,796.86x = 42,499.67 × 16,649.71
4. Step 4: Simplify right side
   30,796.86x = 707,606,884.85
5. Step 5: Solve for x
   x = 707,606,884.85/30,796.86
6. Step 6: Final answer
   x = 22,976.59