Finding the Fourth Proportional to 3,759,128.72, 5,187,647.40 and 2,040,269.84

Step by Step Solution

1. Step 1: Write the proportion equation
   3,759,128.72 : 5,187,647.40 = 2,040,269.84 : x
2. Step 2: Convert to fraction form
   3,759,128.72/5,187,647.40 = 2,040,269.84/x
3. Step 3: Cross multiply
   3,759,128.72x = 5,187,647.40 × 2,040,269.84
4. Step 4: Simplify right side
   3,759,128.72x = 10,584,200,530,774.42
5. Step 5: Solve for x
   x = 10,584,200,530,774.42/3,759,128.72
6. Step 6: Final answer
   x = 2,815,599.39