Finding the Fourth Proportional to 403,314.69, 604,641.56 and 166,827.09

Step by Step Solution

1. Step 1: Write the proportion equation
   403,314.69 : 604,641.56 = 166,827.09 : x
2. Step 2: Convert to fraction form
   403,314.69/604,641.56 = 166,827.09/x
3. Step 3: Cross multiply
   403,314.69x = 604,641.56 × 166,827.09
4. Step 4: Simplify right side
   403,314.69x = 100,870,591,113.73
5. Step 5: Solve for x
   x = 100,870,591,113.73/403,314.69
6. Step 6: Final answer
   x = 250,103.94