Finding the Fourth Proportional to 2,401.90, 3,596.82 and 1,521.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.90 : 3,596.82 = 1,521.73 : x
2. Step 2: Convert to fraction form
   2,401.90/3,596.82 = 1,521.73/x
3. Step 3: Cross multiply
   2,401.90x = 3,596.82 × 1,521.73
4. Step 4: Simplify right side
   2,401.90x = 5,473,388.90
5. Step 5: Solve for x
   x = 5,473,388.90/2,401.90
6. Step 6: Final answer
   x = 2,278.77