Finding the Fourth Proportional to 1,447.44, 1,997.88 and 826.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,447.44 : 1,997.88 = 826.56 : x
2. Step 2: Convert to fraction form
   1,447.44/1,997.88 = 826.56/x
3. Step 3: Cross multiply
   1,447.44x = 1,997.88 × 826.56
4. Step 4: Simplify right side
   1,447.44x = 1,651,367.69
5. Step 5: Solve for x
   x = 1,651,367.69/1,447.44
6. Step 6: Final answer
   x = 1,140.89