Finding the Fourth Proportional to 2,200.84, 3,301.25 and 902.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.84 : 3,301.25 = 902.31 : x
2. Step 2: Convert to fraction form
   2,200.84/3,301.25 = 902.31/x
3. Step 3: Cross multiply
   2,200.84x = 3,301.25 × 902.31
4. Step 4: Simplify right side
   2,200.84x = 2,978,750.89
5. Step 5: Solve for x
   x = 2,978,750.89/2,200.84
6. Step 6: Final answer
   x = 1,353.46