Finding the Fourth Proportional to 3,613.94, 5,389.56 and 3,264.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,613.94 : 5,389.56 = 3,264.02 : x
2. Step 2: Convert to fraction form
   3,613.94/5,389.56 = 3,264.02/x
3. Step 3: Cross multiply
   3,613.94x = 5,389.56 × 3,264.02
4. Step 4: Simplify right side
   3,613.94x = 17,591,615.31
5. Step 5: Solve for x
   x = 17,591,615.31/3,613.94
6. Step 6: Final answer
   x = 4,867.71