Finding the Fourth Proportional to 1,422,105.48, 1,962,636.21 and 810,341.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,422,105.48 : 1,962,636.21 = 810,341.37 : x
2. Step 2: Convert to fraction form
   1,422,105.48/1,962,636.21 = 810,341.37/x
3. Step 3: Cross multiply
   1,422,105.48x = 1,962,636.21 × 810,341.37
4. Step 4: Simplify right side
   1,422,105.48x = 1,590,405,315,223.01
5. Step 5: Solve for x
   x = 1,590,405,315,223.01/1,422,105.48
6. Step 6: Final answer
   x = 1,118,345.54