Finding the Fourth Proportional to 2,277,937.42, 3,143,619.25 and 1,259,407.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,277,937.42 : 3,143,619.25 = 1,259,407.78 : x
2. Step 2: Convert to fraction form
   2,277,937.42/3,143,619.25 = 1,259,407.78/x
3. Step 3: Cross multiply
   2,277,937.42x = 3,143,619.25 × 1,259,407.78
4. Step 4: Simplify right side
   2,277,937.42x = 3,959,098,540,807.77
5. Step 5: Solve for x
   x = 3,959,098,540,807.77/2,277,937.42
6. Step 6: Final answer
   x = 1,738,019.01