Finding the Fourth Proportional to 2,633.30, 3,948.33 and 902.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,633.30 : 3,948.33 = 902.06 : x
2. Step 2: Convert to fraction form
   2,633.30/3,948.33 = 902.06/x
3. Step 3: Cross multiply
   2,633.30x = 3,948.33 × 902.06
4. Step 4: Simplify right side
   2,633.30x = 3,561,630.56
5. Step 5: Solve for x
   x = 3,561,630.56/2,633.30
6. Step 6: Final answer
   x = 1,352.54