Finding the Fourth Proportional to 1,426.41, 1,968.71 and 828.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.41 : 1,968.71 = 828.98 : x
2. Step 2: Convert to fraction form
   1,426.41/1,968.71 = 828.98/x
3. Step 3: Cross multiply
   1,426.41x = 1,968.71 × 828.98
4. Step 4: Simplify right side
   1,426.41x = 1,632,025.68
5. Step 5: Solve for x
   x = 1,632,025.68/1,426.41
6. Step 6: Final answer
   x = 1,144.15