Finding the Fourth Proportional to 3,658,464.27, 5,486,533.88 and 3,419,648.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,658,464.27 : 5,486,533.88 = 3,419,648.10 : x
2. Step 2: Convert to fraction form
   3,658,464.27/5,486,533.88 = 3,419,648.10/x
3. Step 3: Cross multiply
   3,658,464.27x = 5,486,533.88 × 3,419,648.10
4. Step 4: Simplify right side
   3,658,464.27x = 18,762,015,141,229.39
5. Step 5: Solve for x
   x = 18,762,015,141,229.39/3,658,464.27
6. Step 6: Final answer
   x = 5,128,385.51