Finding the Fourth Proportional to 2,034,672.24, 2,808,139.68 and 1,218,910.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,034,672.24 : 2,808,139.68 = 1,218,910.31 : x
2. Step 2: Convert to fraction form
   2,034,672.24/2,808,139.68 = 1,218,910.31/x
3. Step 3: Cross multiply
   2,034,672.24x = 2,808,139.68 × 1,218,910.31
4. Step 4: Simplify right side
   2,034,672.24x = 3,422,870,393,831.40
5. Step 5: Solve for x
   x = 3,422,870,393,831.40/2,034,672.24
6. Step 6: Final answer
   x = 1,682,271.14