Finding the Fourth Proportional to 3,729.58, 5,173.15 and 3,596.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,729.58 : 5,173.15 = 3,596.61 : x
2. Step 2: Convert to fraction form
   3,729.58/5,173.15 = 3,596.61/x
3. Step 3: Cross multiply
   3,729.58x = 5,173.15 × 3,596.61
4. Step 4: Simplify right side
   3,729.58x = 18,605,803.02
5. Step 5: Solve for x
   x = 18,605,803.02/3,729.58
6. Step 6: Final answer
   x = 4,988.71