Finding the Fourth Proportional to 1,096,662.72, 1,513,386 and 613,228.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,096,662.72 : 1,513,386 = 613,228.80 : x
2. Step 2: Convert to fraction form
   1,096,662.72/1,513,386 = 613,228.80/x
3. Step 3: Cross multiply
   1,096,662.72x = 1,513,386 × 613,228.80
4. Step 4: Simplify right side
   1,096,662.72x = 928,051,880,716.80
5. Step 5: Solve for x
   x = 928,051,880,716.80/1,096,662.72
6. Step 6: Final answer
   x = 846,250.96