Finding the Fourth Proportional to 3,629,840.88, 5,009,214.24 and 1,998,280.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,629,840.88 : 5,009,214.24 = 1,998,280.56 : x
2. Step 2: Convert to fraction form
   3,629,840.88/5,009,214.24 = 1,998,280.56/x
3. Step 3: Cross multiply
   3,629,840.88x = 5,009,214.24 × 1,998,280.56
4. Step 4: Simplify right side
   3,629,840.88x = 10,009,815,436,667.18
5. Step 5: Solve for x
   x = 10,009,815,436,667.18/3,629,840.88
6. Step 6: Final answer
   x = 2,757,645.79