Finding the Fourth Proportional to 83,067.72, 114,633.81 and 45,342.78

Step by Step Solution

1. Step 1: Write the proportion equation
   83,067.72 : 114,633.81 = 45,342.78 : x
2. Step 2: Convert to fraction form
   83,067.72/114,633.81 = 45,342.78/x
3. Step 3: Cross multiply
   83,067.72x = 114,633.81 × 45,342.78
4. Step 4: Simplify right side
   83,067.72x = 5,197,815,627.39
5. Step 5: Solve for x
   x = 5,197,815,627.39/83,067.72
6. Step 6: Final answer
   x = 62,573.23