Finding the Fourth Proportional to 72,249.78, 99,671.43 and 46,764.33

Step by Step Solution

1. Step 1: Write the proportion equation
   72,249.78 : 99,671.43 = 46,764.33 : x
2. Step 2: Convert to fraction form
   72,249.78/99,671.43 = 46,764.33/x
3. Step 3: Cross multiply
   72,249.78x = 99,671.43 × 46,764.33
4. Step 4: Simplify right side
   72,249.78x = 4,661,067,255.47
5. Step 5: Solve for x
   x = 4,661,067,255.47/72,249.78
6. Step 6: Final answer
   x = 64,513.24