Finding the Fourth Proportional to 72,949.82, 109,422.56 and 30,250.94

Step by Step Solution

1. Step 1: Write the proportion equation
   72,949.82 : 109,422.56 = 30,250.94 : x
2. Step 2: Convert to fraction form
   72,949.82/109,422.56 = 30,250.94/x
3. Step 3: Cross multiply
   72,949.82x = 109,422.56 × 30,250.94
4. Step 4: Simplify right side
   72,949.82x = 3,310,134,825.72
5. Step 5: Solve for x
   x = 3,310,134,825.72/72,949.82
6. Step 6: Final answer
   x = 45,375.51