Finding the Fourth Proportional to 1,426.02, 1,968.33 and 902.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.02 : 1,968.33 = 902.35 : x
2. Step 2: Convert to fraction form
   1,426.02/1,968.33 = 902.35/x
3. Step 3: Cross multiply
   1,426.02x = 1,968.33 × 902.35
4. Step 4: Simplify right side
   1,426.02x = 1,776,122.58
5. Step 5: Solve for x
   x = 1,776,122.58/1,426.02
6. Step 6: Final answer
   x = 1,245.51