Finding the Fourth Proportional to 123,426.72, 185,175.55 and 51,365.61

Step by Step Solution

1. Step 1: Write the proportion equation
   123,426.72 : 185,175.55 = 51,365.61 : x
2. Step 2: Convert to fraction form
   123,426.72/185,175.55 = 51,365.61/x
3. Step 3: Cross multiply
   123,426.72x = 185,175.55 × 51,365.61
4. Step 4: Simplify right side
   123,426.72x = 9,511,654,260.01
5. Step 5: Solve for x
   x = 9,511,654,260.01/123,426.72
6. Step 6: Final answer
   x = 77,063.17