Finding the Fourth Proportional to 1,096,819.72, 1,513,688.35 and 613,429.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,096,819.72 : 1,513,688.35 = 613,429.85 : x
2. Step 2: Convert to fraction form
   1,096,819.72/1,513,688.35 = 613,429.85/x
3. Step 3: Cross multiply
   1,096,819.72x = 1,513,688.35 × 613,429.85
4. Step 4: Simplify right side
   1,096,819.72x = 928,541,617,487.25
5. Step 5: Solve for x
   x = 928,541,617,487.25/1,096,819.72
6. Step 6: Final answer
   x = 846,576.33