Finding the Fourth Proportional to 3,730.52, 5,181.86 and 3,671

Step by Step Solution

1. Step 1: Write the proportion equation
   3,730.52 : 5,181.86 = 3,671 : x
2. Step 2: Convert to fraction form
   3,730.52/5,181.86 = 3,671/x
3. Step 3: Cross multiply
   3,730.52x = 5,181.86 × 3,671
4. Step 4: Simplify right side
   3,730.52x = 19,022,608.06
5. Step 5: Solve for x
   x = 19,022,608.06/3,730.52
6. Step 6: Final answer
   x = 5,099.18