Finding the Fourth Proportional to 1,145,150.10, 1,717,725.15 and 397,196.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,145,150.10 : 1,717,725.15 = 397,196.10 : x
2. Step 2: Convert to fraction form
   1,145,150.10/1,717,725.15 = 397,196.10/x
3. Step 3: Cross multiply
   1,145,150.10x = 1,717,725.15 × 397,196.10
4. Step 4: Simplify right side
   1,145,150.10x = 682,273,730,451.92
5. Step 5: Solve for x
   x = 682,273,730,451.92/1,145,150.10
6. Step 6: Final answer
   x = 595,794.15