Finding the Fourth Proportional to 1,433,929.86, 2,150,153.61 and 422,922.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433,929.86 : 2,150,153.61 = 422,922.82 : x
2. Step 2: Convert to fraction form
   1,433,929.86/2,150,153.61 = 422,922.82/x
3. Step 3: Cross multiply
   1,433,929.86x = 2,150,153.61 × 422,922.82
4. Step 4: Simplify right side
   1,433,929.86x = 909,349,025,244.57
5. Step 5: Solve for x
   x = 909,349,025,244.57/1,433,929.86
6. Step 6: Final answer
   x = 634,165.62