Finding the Fourth Proportional to 3,743.37, 5,570.85 and 3,618.79

Step by Step Solution

1. Step 1: Write the proportion equation
   3,743.37 : 5,570.85 = 3,618.79 : x
2. Step 2: Convert to fraction form
   3,743.37/5,570.85 = 3,618.79/x
3. Step 3: Cross multiply
   3,743.37x = 5,570.85 × 3,618.79
4. Step 4: Simplify right side
   3,743.37x = 20,159,736.27
5. Step 5: Solve for x
   x = 20,159,736.27/3,743.37
6. Step 6: Final answer
   x = 5,385.45