Finding the Fourth Proportional to 3,131,144.15, 4,320,976.89 and 1,754,499.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,131,144.15 : 4,320,976.89 = 1,754,499.18 : x
2. Step 2: Convert to fraction form
   3,131,144.15/4,320,976.89 = 1,754,499.18/x
3. Step 3: Cross multiply
   3,131,144.15x = 4,320,976.89 × 1,754,499.18
4. Step 4: Simplify right side
   3,131,144.15x = 7,581,150,405,640.06
5. Step 5: Solve for x
   x = 7,581,150,405,640.06/3,131,144.15
6. Step 6: Final answer
   x = 2,421,207.72