Finding the Fourth Proportional to 30,796.32, 42,498.90 and 16,649.18

Step by Step Solution

1. Step 1: Write the proportion equation
   30,796.32 : 42,498.90 = 16,649.18 : x
2. Step 2: Convert to fraction form
   30,796.32/42,498.90 = 16,649.18/x
3. Step 3: Cross multiply
   30,796.32x = 42,498.90 × 16,649.18
4. Step 4: Simplify right side
   30,796.32x = 707,571,623.41
5. Step 5: Solve for x
   x = 707,571,623.41/30,796.32
6. Step 6: Final answer
   x = 22,975.85