Finding the Fourth Proportional to 408,174.86, 612,263.61 and 123,867.83

Step by Step Solution

1. Step 1: Write the proportion equation
   408,174.86 : 612,263.61 = 123,867.83 : x
2. Step 2: Convert to fraction form
   408,174.86/612,263.61 = 123,867.83/x
3. Step 3: Cross multiply
   408,174.86x = 612,263.61 × 123,867.83
4. Step 4: Simplify right side
   408,174.86x = 75,839,766,289.33
5. Step 5: Solve for x
   x = 75,839,766,289.33/408,174.86
6. Step 6: Final answer
   x = 185,802.15