Finding the Fourth Proportional to 2,581.06, 3,562.16 and 1,533.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581.06 : 3,562.16 = 1,533.12 : x
2. Step 2: Convert to fraction form
   2,581.06/3,562.16 = 1,533.12/x
3. Step 3: Cross multiply
   2,581.06x = 3,562.16 × 1,533.12
4. Step 4: Simplify right side
   2,581.06x = 5,461,222.57
5. Step 5: Solve for x
   x = 5,461,222.57/2,581.06
6. Step 6: Final answer
   x = 2,115.89