Finding the Fourth Proportional to 2,158.71, 3,238.24 and 598.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158.71 : 3,238.24 = 598.71 : x
2. Step 2: Convert to fraction form
   2,158.71/3,238.24 = 598.71/x
3. Step 3: Cross multiply
   2,158.71x = 3,238.24 × 598.71
4. Step 4: Simplify right side
   2,158.71x = 1,938,760.22
5. Step 5: Solve for x
   x = 1,938,760.22/2,158.71
6. Step 6: Final answer
   x = 898.11