Finding the Fourth Proportional to 2,262,578.25, 3,122,419.59 and 1,230,155.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,262,578.25 : 3,122,419.59 = 1,230,155.55 : x
2. Step 2: Convert to fraction form
   2,262,578.25/3,122,419.59 = 1,230,155.55/x
3. Step 3: Cross multiply
   2,262,578.25x = 3,122,419.59 × 1,230,155.55
4. Step 4: Simplify right side
   2,262,578.25x = 3,841,061,788,067.22
5. Step 5: Solve for x
   x = 3,841,061,788,067.22/2,262,578.25
6. Step 6: Final answer
   x = 1,697,648.15