Finding the Fourth Proportional to 2,407,780.86, 3,322,649.42 and 1,320,028.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,407,780.86 : 3,322,649.42 = 1,320,028.57 : x
2. Step 2: Convert to fraction form
   2,407,780.86/3,322,649.42 = 1,320,028.57/x
3. Step 3: Cross multiply
   2,407,780.86x = 3,322,649.42 × 1,320,028.57
4. Step 4: Simplify right side
   2,407,780.86x = 4,385,992,159,193.86
5. Step 5: Solve for x
   x = 4,385,992,159,193.86/2,407,780.86
6. Step 6: Final answer
   x = 1,821,591.09