Finding the Fourth Proportional to 2,580.45, 3,561.33 and 1,532.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580.45 : 3,561.33 = 1,532.51 : x
2. Step 2: Convert to fraction form
   2,580.45/3,561.33 = 1,532.51/x
3. Step 3: Cross multiply
   2,580.45x = 3,561.33 × 1,532.51
4. Step 4: Simplify right side
   2,580.45x = 5,457,773.84
5. Step 5: Solve for x
   x = 5,457,773.84/2,580.45
6. Step 6: Final answer
   x = 2,115.05