Finding the Fourth Proportional to 2,289.56, 3,433.53 and 902.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,289.56 : 3,433.53 = 902.84 : x
2. Step 2: Convert to fraction form
   2,289.56/3,433.53 = 902.84/x
3. Step 3: Cross multiply
   2,289.56x = 3,433.53 × 902.84
4. Step 4: Simplify right side
   2,289.56x = 3,099,928.23
5. Step 5: Solve for x
   x = 3,099,928.23/2,289.56
6. Step 6: Final answer
   x = 1,353.94