Finding the Fourth Proportional to 3,778,500.09, 5,659,442.39 and 3,122,643.21

Step by Step Solution

1. Step 1: Write the proportion equation
   3,778,500.09 : 5,659,442.39 = 3,122,643.21 : x
2. Step 2: Convert to fraction form
   3,778,500.09/5,659,442.39 = 3,122,643.21/x
3. Step 3: Cross multiply
   3,778,500.09x = 5,659,442.39 × 3,122,643.21
4. Step 4: Simplify right side
   3,778,500.09x = 17,672,419,338,103.37
5. Step 5: Solve for x
   x = 17,672,419,338,103.37/3,778,500.09
6. Step 6: Final answer
   x = 4,677,099.09