Finding the Fourth Proportional to 2,642,003.28, 3,645,964.50 and 1,434,779.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,642,003.28 : 3,645,964.50 = 1,434,779.28 : x
2. Step 2: Convert to fraction form
   2,642,003.28/3,645,964.50 = 1,434,779.28/x
3. Step 3: Cross multiply
   2,642,003.28x = 3,645,964.50 × 1,434,779.28
4. Step 4: Simplify right side
   2,642,003.28x = 5,231,154,320,215.56
5. Step 5: Solve for x
   x = 5,231,154,320,215.56/2,642,003.28
6. Step 6: Final answer
   x = 1,979,995.39