Finding the Fourth Proportional to 1,367.88, 2,047.56 and 902.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,367.88 : 2,047.56 = 902.53 : x
2. Step 2: Convert to fraction form
   1,367.88/2,047.56 = 902.53/x
3. Step 3: Cross multiply
   1,367.88x = 2,047.56 × 902.53
4. Step 4: Simplify right side
   1,367.88x = 1,847,984.33
5. Step 5: Solve for x
   x = 1,847,984.33/1,367.88
6. Step 6: Final answer
   x = 1,350.98