Finding the Fourth Proportional to 2,131,144.78, 2,941,037.52 and 1,272,203.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131,144.78 : 2,941,037.52 = 1,272,203.56 : x
2. Step 2: Convert to fraction form
   2,131,144.78/2,941,037.52 = 1,272,203.56/x
3. Step 3: Cross multiply
   2,131,144.78x = 2,941,037.52 × 1,272,203.56
4. Step 4: Simplify right side
   2,131,144.78x = 3,741,598,403,037.57
5. Step 5: Solve for x
   x = 3,741,598,403,037.57/2,131,144.78
6. Step 6: Final answer
   x = 1,755,675.37