Finding the Fourth Proportional to 2,633.58, 3,949.29 and 901.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,633.58 : 3,949.29 = 901.80 : x
2. Step 2: Convert to fraction form
   2,633.58/3,949.29 = 901.80/x
3. Step 3: Cross multiply
   2,633.58x = 3,949.29 × 901.80
4. Step 4: Simplify right side
   2,633.58x = 3,561,469.72
5. Step 5: Solve for x
   x = 3,561,469.72/2,633.58
6. Step 6: Final answer
   x = 1,352.33