Finding the Fourth Proportional to 123,669.18, 185,517.20 and 39,409.54

Step by Step Solution

1. Step 1: Write the proportion equation
   123,669.18 : 185,517.20 = 39,409.54 : x
2. Step 2: Convert to fraction form
   123,669.18/185,517.20 = 39,409.54/x
3. Step 3: Cross multiply
   123,669.18x = 185,517.20 × 39,409.54
4. Step 4: Simplify right side
   123,669.18x = 7,311,147,148.82
5. Step 5: Solve for x
   x = 7,311,147,148.82/123,669.18
6. Step 6: Final answer
   x = 59,118.59