Finding the Fourth Proportional to 1,045,904.37, 1,568,649.98 and 287,550.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,045,904.37 : 1,568,649.98 = 287,550.27 : x
2. Step 2: Convert to fraction form
   1,045,904.37/1,568,649.98 = 287,550.27/x
3. Step 3: Cross multiply
   1,045,904.37x = 1,568,649.98 × 287,550.27
4. Step 4: Simplify right side
   1,045,904.37x = 451,065,726,003.37
5. Step 5: Solve for x
   x = 451,065,726,003.37/1,045,904.37
6. Step 6: Final answer
   x = 431,268.61