Finding the Fourth Proportional to 80,673.42, 111,327.40 and 43,878.71

Step by Step Solution

1. Step 1: Write the proportion equation
   80,673.42 : 111,327.40 = 43,878.71 : x
2. Step 2: Convert to fraction form
   80,673.42/111,327.40 = 43,878.71/x
3. Step 3: Cross multiply
   80,673.42x = 111,327.40 × 43,878.71
4. Step 4: Simplify right side
   80,673.42x = 4,884,903,032.82
5. Step 5: Solve for x
   x = 4,884,903,032.82/80,673.42
6. Step 6: Final answer
   x = 60,551.58