Finding the Fourth Proportional to 2,171.41, 3,258.20 and 1,599.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,171.41 : 3,258.20 = 1,599.01 : x
2. Step 2: Convert to fraction form
   2,171.41/3,258.20 = 1,599.01/x
3. Step 3: Cross multiply
   2,171.41x = 3,258.20 × 1,599.01
4. Step 4: Simplify right side
   2,171.41x = 5,209,894.38
5. Step 5: Solve for x
   x = 5,209,894.38/2,171.41
6. Step 6: Final answer
   x = 2,399.31