Finding the Fourth Proportional to 30,796.70, 42,499.43 and 16,649.54

Step by Step Solution

1. Step 1: Write the proportion equation
   30,796.70 : 42,499.43 = 16,649.54 : x
2. Step 2: Convert to fraction form
   30,796.70/42,499.43 = 16,649.54/x
3. Step 3: Cross multiply
   30,796.70x = 42,499.43 × 16,649.54
4. Step 4: Simplify right side
   30,796.70x = 707,595,664.02
5. Step 5: Solve for x
   x = 707,595,664.02/30,796.70
6. Step 6: Final answer
   x = 22,976.35