Finding the Fourth Proportional to 803,061.27, 1,108,205.37 and 440,481.87

Step by Step Solution

1. Step 1: Write the proportion equation
   803,061.27 : 1,108,205.37 = 440,481.87 : x
2. Step 2: Convert to fraction form
   803,061.27/1,108,205.37 = 440,481.87/x
3. Step 3: Cross multiply
   803,061.27x = 1,108,205.37 × 440,481.87
4. Step 4: Simplify right side
   803,061.27x = 488,144,373,721.64
5. Step 5: Solve for x
   x = 488,144,373,721.64/803,061.27
6. Step 6: Final answer
   x = 607,854.46