Finding the Fourth Proportional to 30,796.29, 42,498.74 and 16,649.13

Step by Step Solution

1. Step 1: Write the proportion equation
   30,796.29 : 42,498.74 = 16,649.13 : x
2. Step 2: Convert to fraction form
   30,796.29/42,498.74 = 16,649.13/x
3. Step 3: Cross multiply
   30,796.29x = 42,498.74 × 16,649.13
4. Step 4: Simplify right side
   30,796.29x = 707,567,047.10
5. Step 5: Solve for x
   x = 707,567,047.10/30,796.29
6. Step 6: Final answer
   x = 22,975.72