Finding the Fourth Proportional to 123,644.80, 185,481.72 and 39,375.46

Step by Step Solution

1. Step 1: Write the proportion equation
   123,644.80 : 185,481.72 = 39,375.46 : x
2. Step 2: Convert to fraction form
   123,644.80/185,481.72 = 39,375.46/x
3. Step 3: Cross multiply
   123,644.80x = 185,481.72 × 39,375.46
4. Step 4: Simplify right side
   123,644.80x = 7,303,428,046.59
5. Step 5: Solve for x
   x = 7,303,428,046.59/123,644.80
6. Step 6: Final answer
   x = 59,067.81