Finding the Fourth Proportional to 1,203,816.72, 1,661,256.46 and 659,942.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,203,816.72 : 1,661,256.46 = 659,942.62 : x
2. Step 2: Convert to fraction form
   1,203,816.72/1,661,256.46 = 659,942.62/x
3. Step 3: Cross multiply
   1,203,816.72x = 1,661,256.46 × 659,942.62
4. Step 4: Simplify right side
   1,203,816.72x = 1,096,333,940,704.33
5. Step 5: Solve for x
   x = 1,096,333,940,704.33/1,203,816.72
6. Step 6: Final answer
   x = 910,715.00