Finding the Fourth Proportional to 684,941.48, 945,484.17 and 613,196.81

Step by Step Solution

1. Step 1: Write the proportion equation
   684,941.48 : 945,484.17 = 613,196.81 : x
2. Step 2: Convert to fraction form
   684,941.48/945,484.17 = 613,196.81/x
3. Step 3: Cross multiply
   684,941.48x = 945,484.17 × 613,196.81
4. Step 4: Simplify right side
   684,941.48x = 579,767,876,949.50
5. Step 5: Solve for x
   x = 579,767,876,949.50/684,941.48
6. Step 6: Final answer
   x = 846,448.78