Finding the Fourth Proportional to 3,581.59, 5,375.48 and 2,486.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,581.59 : 5,375.48 = 2,486.72 : x
2. Step 2: Convert to fraction form
   3,581.59/5,375.48 = 2,486.72/x
3. Step 3: Cross multiply
   3,581.59x = 5,375.48 × 2,486.72
4. Step 4: Simplify right side
   3,581.59x = 13,367,313.63
5. Step 5: Solve for x
   x = 13,367,313.63/3,581.59
6. Step 6: Final answer
   x = 3,732.23