Finding the Fourth Proportional to 2,581.72, 3,564.48 and 1,534.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581.72 : 3,564.48 = 1,534.12 : x
2. Step 2: Convert to fraction form
   2,581.72/3,564.48 = 1,534.12/x
3. Step 3: Cross multiply
   2,581.72x = 3,564.48 × 1,534.12
4. Step 4: Simplify right side
   2,581.72x = 5,468,340.06
5. Step 5: Solve for x
   x = 5,468,340.06/2,581.72
6. Step 6: Final answer
   x = 2,118.10