Finding the Fourth Proportional to 2,131,132.80, 2,941,020.96 and 1,272,191.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131,132.80 : 2,941,020.96 = 1,272,191.56 : x
2. Step 2: Convert to fraction form
   2,131,132.80/2,941,020.96 = 1,272,191.56/x
3. Step 3: Cross multiply
   2,131,132.80x = 2,941,020.96 × 1,272,191.56
4. Step 4: Simplify right side
   2,131,132.80x = 3,741,542,043,095.10
5. Step 5: Solve for x
   x = 3,741,542,043,095.10/2,131,132.80
6. Step 6: Final answer
   x = 1,755,658.79