Finding the Fourth Proportional to 30,796.66, 42,499.38 and 16,649.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,796.66 : 42,499.38 = 16,649.50 : x
2. Step 2: Convert to fraction form
   30,796.66/42,499.38 = 16,649.50/x
3. Step 3: Cross multiply
   30,796.66x = 42,499.38 × 16,649.50
4. Step 4: Simplify right side
   30,796.66x = 707,593,427.31
5. Step 5: Solve for x
   x = 707,593,427.31/30,796.66
6. Step 6: Final answer
   x = 22,976.30