Finding the Fourth Proportional to 3,697.20, 5,100.90 and 2,371.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,697.20 : 5,100.90 = 2,371.62 : x
2. Step 2: Convert to fraction form
   3,697.20/5,100.90 = 2,371.62/x
3. Step 3: Cross multiply
   3,697.20x = 5,100.90 × 2,371.62
4. Step 4: Simplify right side
   3,697.20x = 12,097,396.46
5. Step 5: Solve for x
   x = 12,097,396.46/3,697.20
6. Step 6: Final answer
   x = 3,272.04