Finding the Fourth Proportional to 3,665.08, 5,492.15 and 2,571.58

Step by Step Solution

1. Step 1: Write the proportion equation
   3,665.08 : 5,492.15 = 2,571.58 : x
2. Step 2: Convert to fraction form
   3,665.08/5,492.15 = 2,571.58/x
3. Step 3: Cross multiply
   3,665.08x = 5,492.15 × 2,571.58
4. Step 4: Simplify right side
   3,665.08x = 14,123,503.10
5. Step 5: Solve for x
   x = 14,123,503.10/3,665.08
6. Step 6: Final answer
   x = 3,853.53