Finding the Fourth Proportional to 2,566,751.78, 3,853,912.55 and 1,431,731.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,566,751.78 : 3,853,912.55 = 1,431,731.59 : x
2. Step 2: Convert to fraction form
   2,566,751.78/3,853,912.55 = 1,431,731.59/x
3. Step 3: Cross multiply
   2,566,751.78x = 3,853,912.55 × 1,431,731.59
4. Step 4: Simplify right side
   2,566,751.78x = 5,517,768,342,932.45
5. Step 5: Solve for x
   x = 5,517,768,342,932.45/2,566,751.78
6. Step 6: Final answer
   x = 2,149,708.59