Finding the Fourth Proportional to 30,797.05, 42,499.98 and 16,649.91

Step by Step Solution

1. Step 1: Write the proportion equation
   30,797.05 : 42,499.98 = 16,649.91 : x
2. Step 2: Convert to fraction form
   30,797.05/42,499.98 = 16,649.91/x
3. Step 3: Cross multiply
   30,797.05x = 42,499.98 × 16,649.91
4. Step 4: Simplify right side
   30,797.05x = 707,620,842.00
5. Step 5: Solve for x
   x = 707,620,842.00/30,797.05
6. Step 6: Final answer
   x = 22,976.90