Finding the Fourth Proportional to 868,104.72, 1,197,688.98 and 505,451.82

Step by Step Solution

1. Step 1: Write the proportion equation
   868,104.72 : 1,197,688.98 = 505,451.82 : x
2. Step 2: Convert to fraction form
   868,104.72/1,197,688.98 = 505,451.82/x
3. Step 3: Cross multiply
   868,104.72x = 1,197,688.98 × 505,451.82
4. Step 4: Simplify right side
   868,104.72x = 605,374,074,734.94
5. Step 5: Solve for x
   x = 605,374,074,734.94/868,104.72
6. Step 6: Final answer
   x = 697,351.44