Finding the Fourth Proportional to 3,736.40, 5,597.76 and 3,151.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,736.40 : 5,597.76 = 3,151.60 : x
2. Step 2: Convert to fraction form
   3,736.40/5,597.76 = 3,151.60/x
3. Step 3: Cross multiply
   3,736.40x = 5,597.76 × 3,151.60
4. Step 4: Simplify right side
   3,736.40x = 17,641,900.42
5. Step 5: Solve for x
   x = 17,641,900.42/3,736.40
6. Step 6: Final answer
   x = 4,721.63