Finding the Fourth Proportional to 2,642,178.69, 3,964,793.47 and 1,427,759.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,642,178.69 : 3,964,793.47 = 1,427,759.46 : x
2. Step 2: Convert to fraction form
   2,642,178.69/3,964,793.47 = 1,427,759.46/x
3. Step 3: Cross multiply
   2,642,178.69x = 3,964,793.47 × 1,427,759.46
4. Step 4: Simplify right side
   2,642,178.69x = 5,660,771,380,169.33
5. Step 5: Solve for x
   x = 5,660,771,380,169.33/2,642,178.69
6. Step 6: Final answer
   x = 2,142,463.49