Finding the Fourth Proportional to 1,433,616.21, 1,978,375.32 and 789,022.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433,616.21 : 1,978,375.32 = 789,022.53 : x
2. Step 2: Convert to fraction form
   1,433,616.21/1,978,375.32 = 789,022.53/x
3. Step 3: Cross multiply
   1,433,616.21x = 1,978,375.32 × 789,022.53
4. Step 4: Simplify right side
   1,433,616.21x = 1,560,982,700,275.96
5. Step 5: Solve for x
   x = 1,560,982,700,275.96/1,433,616.21
6. Step 6: Final answer
   x = 1,088,842.81