Finding the Fourth Proportional to 30,796.98, 42,499.86 and 16,649.82

Step by Step Solution

1. Step 1: Write the proportion equation
   30,796.98 : 42,499.86 = 16,649.82 : x
2. Step 2: Convert to fraction form
   30,796.98/42,499.86 = 16,649.82/x
3. Step 3: Cross multiply
   30,796.98x = 42,499.86 × 16,649.82
4. Step 4: Simplify right side
   30,796.98x = 707,615,019.03
5. Step 5: Solve for x
   x = 707,615,019.03/30,796.98
6. Step 6: Final answer
   x = 22,976.77