Finding the Fourth Proportional to 123,739.18, 185,369.61 and 73,859.02

Step by Step Solution

1. Step 1: Write the proportion equation
   123,739.18 : 185,369.61 = 73,859.02 : x
2. Step 2: Convert to fraction form
   123,739.18/185,369.61 = 73,859.02/x
3. Step 3: Cross multiply
   123,739.18x = 185,369.61 × 73,859.02
4. Step 4: Simplify right side
   123,739.18x = 13,691,217,732.38
5. Step 5: Solve for x
   x = 13,691,217,732.38/123,739.18
6. Step 6: Final answer
   x = 110,645.78