Finding the Fourth Proportional to 2,864,499.57, 3,953,057.58 and 1,640,912.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,864,499.57 : 3,953,057.58 = 1,640,912.09 : x
2. Step 2: Convert to fraction form
   2,864,499.57/3,953,057.58 = 1,640,912.09/x
3. Step 3: Cross multiply
   2,864,499.57x = 3,953,057.58 × 1,640,912.09
4. Step 4: Simplify right side
   2,864,499.57x = 6,486,619,955,722.86
5. Step 5: Solve for x
   x = 6,486,619,955,722.86/2,864,499.57
6. Step 6: Final answer
   x = 2,264,486.27