Finding the Fourth Proportional to 799,243.10, 1,103,271 and 493,443.10

Step by Step Solution

1. Step 1: Write the proportion equation
   799,243.10 : 1,103,271 = 493,443.10 : x
2. Step 2: Convert to fraction form
   799,243.10/1,103,271 = 493,443.10/x
3. Step 3: Cross multiply
   799,243.10x = 1,103,271 × 493,443.10
4. Step 4: Simplify right side
   799,243.10x = 544,401,462,380.10
5. Step 5: Solve for x
   x = 544,401,462,380.10/799,243.10
6. Step 6: Final answer
   x = 681,146.28