Finding the Fourth Proportional to 123,647.94, 185,496.53 and 39,405.38

Step by Step Solution

1. Step 1: Write the proportion equation
   123,647.94 : 185,496.53 = 39,405.38 : x
2. Step 2: Convert to fraction form
   123,647.94/185,496.53 = 39,405.38/x
3. Step 3: Cross multiply
   123,647.94x = 185,496.53 × 39,405.38
4. Step 4: Simplify right side
   123,647.94x = 7,309,560,128.82
5. Step 5: Solve for x
   x = 7,309,560,128.82/123,647.94
6. Step 6: Final answer
   x = 59,115.91