Finding the Fourth Proportional to 1,559,436.57, 2,339,239.91 and 494,401.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,559,436.57 : 2,339,239.91 = 494,401.59 : x
2. Step 2: Convert to fraction form
   1,559,436.57/2,339,239.91 = 494,401.59/x
3. Step 3: Cross multiply
   1,559,436.57x = 2,339,239.91 × 494,401.59
4. Step 4: Simplify right side
   1,559,436.57x = 1,156,523,928,423.45
5. Step 5: Solve for x
   x = 1,156,523,928,423.45/1,559,436.57
6. Step 6: Final answer
   x = 741,629.35