Finding the Fourth Proportional to 2,140,494.72, 3,211,236.48 and 720,514.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,140,494.72 : 3,211,236.48 = 720,514.56 : x
2. Step 2: Convert to fraction form
   2,140,494.72/3,211,236.48 = 720,514.56/x
3. Step 3: Cross multiply
   2,140,494.72x = 3,211,236.48 × 720,514.56
4. Step 4: Simplify right side
   2,140,494.72x = 2,313,742,639,443.15
5. Step 5: Solve for x
   x = 2,313,742,639,443.15/2,140,494.72
6. Step 6: Final answer
   x = 1,080,938.26