Finding the Fourth Proportional to 983,801.34, 1,474,423.83 and 443,660.94

Step by Step Solution

1. Step 1: Write the proportion equation
   983,801.34 : 1,474,423.83 = 443,660.94 : x
2. Step 2: Convert to fraction form
   983,801.34/1,474,423.83 = 443,660.94/x
3. Step 3: Cross multiply
   983,801.34x = 1,474,423.83 × 443,660.94
4. Step 4: Simplify right side
   983,801.34x = 654,144,262,376.20
5. Step 5: Solve for x
   x = 654,144,262,376.20/983,801.34
6. Step 6: Final answer
   x = 664,914.99