Finding the Fourth Proportional to 1,426.26, 1,968.22 and 902.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.26 : 1,968.22 = 902.32 : x
2. Step 2: Convert to fraction form
   1,426.26/1,968.22 = 902.32/x
3. Step 3: Cross multiply
   1,426.26x = 1,968.22 × 902.32
4. Step 4: Simplify right side
   1,426.26x = 1,775,964.27
5. Step 5: Solve for x
   x = 1,775,964.27/1,426.26
6. Step 6: Final answer
   x = 1,245.19