Finding the Fourth Proportional to 946,128.48, 1,305,658.56 and 606,596.72

Step by Step Solution

1. Step 1: Write the proportion equation
   946,128.48 : 1,305,658.56 = 606,596.72 : x
2. Step 2: Convert to fraction form
   946,128.48/1,305,658.56 = 606,596.72/x
3. Step 3: Cross multiply
   946,128.48x = 1,305,658.56 × 606,596.72
4. Step 4: Simplify right side
   946,128.48x = 792,008,199,935.92
5. Step 5: Solve for x
   x = 792,008,199,935.92/946,128.48
6. Step 6: Final answer
   x = 837,104.28