Finding the Fourth Proportional to 3,730.58, 5,174.54 and 3,597.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,730.58 : 5,174.54 = 3,597.61 : x
2. Step 2: Convert to fraction form
   3,730.58/5,174.54 = 3,597.61/x
3. Step 3: Cross multiply
   3,730.58x = 5,174.54 × 3,597.61
4. Step 4: Simplify right side
   3,730.58x = 18,615,976.85
5. Step 5: Solve for x
   x = 18,615,976.85/3,730.58
6. Step 6: Final answer
   x = 4,990.10