Finding the Fourth Proportional to 2,583.45, 3,564.89 and 1,521.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,583.45 : 3,564.89 = 1,521.15 : x
2. Step 2: Convert to fraction form
   2,583.45/3,564.89 = 1,521.15/x
3. Step 3: Cross multiply
   2,583.45x = 3,564.89 × 1,521.15
4. Step 4: Simplify right side
   2,583.45x = 5,422,720.40
5. Step 5: Solve for x
   x = 5,422,720.40/2,583.45
6. Step 6: Final answer
   x = 2,099.02