Finding the Fourth Proportional to 85,100.73, 117,438 and 46,859.49

Step by Step Solution

1. Step 1: Write the proportion equation
   85,100.73 : 117,438 = 46,859.49 : x
2. Step 2: Convert to fraction form
   85,100.73/117,438 = 46,859.49/x
3. Step 3: Cross multiply
   85,100.73x = 117,438 × 46,859.49
4. Step 4: Simplify right side
   85,100.73x = 5,503,084,786.62
5. Step 5: Solve for x
   x = 5,503,084,786.62/85,100.73
6. Step 6: Final answer
   x = 64,665.54