Finding the Fourth Proportional to 1,433,926.69, 1,978,844.00 and 780,571.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433,926.69 : 1,978,844.00 = 780,571.49 : x
2. Step 2: Convert to fraction form
   1,433,926.69/1,978,844.00 = 780,571.49/x
3. Step 3: Cross multiply
   1,433,926.69x = 1,978,844.00 × 780,571.49
4. Step 4: Simplify right side
   1,433,926.69x = 1,544,629,205,654.70
5. Step 5: Solve for x
   x = 1,544,629,205,654.70/1,433,926.69
6. Step 6: Final answer
   x = 1,077,202.36