Finding the Fourth Proportional to 2,602.01, 3,591.18 and 1,658.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,602.01 : 3,591.18 = 1,658.21 : x
2. Step 2: Convert to fraction form
   2,602.01/3,591.18 = 1,658.21/x
3. Step 3: Cross multiply
   2,602.01x = 3,591.18 × 1,658.21
4. Step 4: Simplify right side
   2,602.01x = 5,954,912.63
5. Step 5: Solve for x
   x = 5,954,912.63/2,602.01
6. Step 6: Final answer
   x = 2,288.58