Finding the Fourth Proportional to 2,656.48, 3,982.23 and 900.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,656.48 : 3,982.23 = 900.25 : x
2. Step 2: Convert to fraction form
   2,656.48/3,982.23 = 900.25/x
3. Step 3: Cross multiply
   2,656.48x = 3,982.23 × 900.25
4. Step 4: Simplify right side
   2,656.48x = 3,585,002.56
5. Step 5: Solve for x
   x = 3,585,002.56/2,656.48
6. Step 6: Final answer
   x = 1,349.53