Finding the Fourth Proportional to 1,791,380.72, 2,686,978.84 and 669,361.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,791,380.72 : 2,686,978.84 = 669,361.52 : x
2. Step 2: Convert to fraction form
   1,791,380.72/2,686,978.84 = 669,361.52/x
3. Step 3: Cross multiply
   1,791,380.72x = 2,686,978.84 × 669,361.52
4. Step 4: Simplify right side
   1,791,380.72x = 1,798,560,240,550.24
5. Step 5: Solve for x
   x = 1,798,560,240,550.24/1,791,380.72
6. Step 6: Final answer
   x = 1,004,007.81