Finding the Fourth Proportional to 2,540,292.37, 3,505,606.77 and 1,378,738.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540,292.37 : 3,505,606.77 = 1,378,738.55 : x
2. Step 2: Convert to fraction form
   2,540,292.37/3,505,606.77 = 1,378,738.55/x
3. Step 3: Cross multiply
   2,540,292.37x = 3,505,606.77 × 1,378,738.55
4. Step 4: Simplify right side
   2,540,292.37x = 4,833,315,208,874.27
5. Step 5: Solve for x
   x = 4,833,315,208,874.27/2,540,292.37
6. Step 6: Final answer
   x = 1,902,661.00