Finding the Fourth Proportional to 983,559.27, 1,475,209.70 and 309,644.10

Step by Step Solution

1. Step 1: Write the proportion equation
   983,559.27 : 1,475,209.70 = 309,644.10 : x
2. Step 2: Convert to fraction form
   983,559.27/1,475,209.70 = 309,644.10/x
3. Step 3: Cross multiply
   983,559.27x = 1,475,209.70 × 309,644.10
4. Step 4: Simplify right side
   983,559.27x = 456,789,979,480.72
5. Step 5: Solve for x
   x = 456,789,979,480.72/983,559.27
6. Step 6: Final answer
   x = 464,425.47