Finding the Fourth Proportional to 2,288.60, 3,433.59 and 902.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288.60 : 3,433.59 = 902.14 : x
2. Step 2: Convert to fraction form
   2,288.60/3,433.59 = 902.14/x
3. Step 3: Cross multiply
   2,288.60x = 3,433.59 × 902.14
4. Step 4: Simplify right side
   2,288.60x = 3,097,570.30
5. Step 5: Solve for x
   x = 3,097,570.30/2,288.60
6. Step 6: Final answer
   x = 1,353.48