Finding the Fourth Proportional to 123,606.78, 185,348.82 and 39,355.96

Step by Step Solution

1. Step 1: Write the proportion equation
   123,606.78 : 185,348.82 = 39,355.96 : x
2. Step 2: Convert to fraction form
   123,606.78/185,348.82 = 39,355.96/x
3. Step 3: Cross multiply
   123,606.78x = 185,348.82 × 39,355.96
4. Step 4: Simplify right side
   123,606.78x = 7,294,581,559.65
5. Step 5: Solve for x
   x = 7,294,581,559.65/123,606.78
6. Step 6: Final answer
   x = 59,014.41