Finding the Fourth Proportional to 2,589.73, 3,573.92 and 1,528.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,589.73 : 3,573.92 = 1,528.22 : x
2. Step 2: Convert to fraction form
   2,589.73/3,573.92 = 1,528.22/x
3. Step 3: Cross multiply
   2,589.73x = 3,573.92 × 1,528.22
4. Step 4: Simplify right side
   2,589.73x = 5,461,736.02
5. Step 5: Solve for x
   x = 5,461,736.02/2,589.73
6. Step 6: Final answer
   x = 2,109.00