Finding the Fourth Proportional to 3,099,633.98, 4,649,444.49 and 855,765.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,099,633.98 : 4,649,444.49 = 855,765.50 : x
2. Step 2: Convert to fraction form
   3,099,633.98/4,649,444.49 = 855,765.50/x
3. Step 3: Cross multiply
   3,099,633.98x = 4,649,444.49 × 855,765.50
4. Step 4: Simplify right side
   3,099,633.98x = 3,978,834,188,707.10
5. Step 5: Solve for x
   x = 3,978,834,188,707.10/3,099,633.98
6. Step 6: Final answer
   x = 1,283,646.46