Finding the Fourth Proportional to 30,078, 41,507.04 and 16,649.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,078 : 41,507.04 = 16,649.25 : x
2. Step 2: Convert to fraction form
   30,078/41,507.04 = 16,649.25/x
3. Step 3: Cross multiply
   30,078x = 41,507.04 × 16,649.25
4. Step 4: Simplify right side
   30,078x = 691,061,085.72
5. Step 5: Solve for x
   x = 691,061,085.72/30,078
6. Step 6: Final answer
   x = 22,975.63