Finding the Fourth Proportional to 946,314.63, 1,419,695.69 and 306,617.31

Step by Step Solution

1. Step 1: Write the proportion equation
   946,314.63 : 1,419,695.69 = 306,617.31 : x
2. Step 2: Convert to fraction form
   946,314.63/1,419,695.69 = 306,617.31/x
3. Step 3: Cross multiply
   946,314.63x = 1,419,695.69 × 306,617.31
4. Step 4: Simplify right side
   946,314.63x = 435,303,271,953.31
5. Step 5: Solve for x
   x = 435,303,271,953.31/946,314.63
6. Step 6: Final answer
   x = 459,998.46