Finding the Fourth Proportional to 2,580.20, 3,561.59 and 1,532.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580.20 : 3,561.59 = 1,532.25 : x
2. Step 2: Convert to fraction form
   2,580.20/3,561.59 = 1,532.25/x
3. Step 3: Cross multiply
   2,580.20x = 3,561.59 × 1,532.25
4. Step 4: Simplify right side
   2,580.20x = 5,457,238.62
5. Step 5: Solve for x
   x = 5,457,238.62/2,580.20
6. Step 6: Final answer
   x = 2,115.05