Finding the Fourth Proportional to 946,468.72, 1,419,285.48 and 355,078

Step by Step Solution

1. Step 1: Write the proportion equation
   946,468.72 : 1,419,285.48 = 355,078 : x
2. Step 2: Convert to fraction form
   946,468.72/1,419,285.48 = 355,078/x
3. Step 3: Cross multiply
   946,468.72x = 1,419,285.48 × 355,078
4. Step 4: Simplify right side
   946,468.72x = 503,957,049,667.44
5. Step 5: Solve for x
   x = 503,957,049,667.44/946,468.72
6. Step 6: Final answer
   x = 532,460.33