Finding the Fourth Proportional to 2,583.42, 3,564.73 and 1,521.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,583.42 : 3,564.73 = 1,521.11 : x
2. Step 2: Convert to fraction form
   2,583.42/3,564.73 = 1,521.11/x
3. Step 3: Cross multiply
   2,583.42x = 3,564.73 × 1,521.11
4. Step 4: Simplify right side
   2,583.42x = 5,422,324.82
5. Step 5: Solve for x
   x = 5,422,324.82/2,583.42
6. Step 6: Final answer
   x = 2,098.89