Finding the Fourth Proportional to 455,036.69, 627,949.89 and 251,087.46

Step by Step Solution

1. Step 1: Write the proportion equation
   455,036.69 : 627,949.89 = 251,087.46 : x
2. Step 2: Convert to fraction form
   455,036.69/627,949.89 = 251,087.46/x
3. Step 3: Cross multiply
   455,036.69x = 627,949.89 × 251,087.46
4. Step 4: Simplify right side
   455,036.69x = 157,670,342,887.38
5. Step 5: Solve for x
   x = 157,670,342,887.38/455,036.69
6. Step 6: Final answer
   x = 346,500.29