Finding the Fourth Proportional to 49,061.80, 73,446.90 and 43,229.80

Step by Step Solution

1. Step 1: Write the proportion equation
   49,061.80 : 73,446.90 = 43,229.80 : x
2. Step 2: Convert to fraction form
   49,061.80/73,446.90 = 43,229.80/x
3. Step 3: Cross multiply
   49,061.80x = 73,446.90 × 43,229.80
4. Step 4: Simplify right side
   49,061.80x = 3,175,094,797.62
5. Step 5: Solve for x
   x = 3,175,094,797.62/49,061.80
6. Step 6: Final answer
   x = 64,716.23