Finding the Fourth Proportional to 2,402.13, 3,317.31 and 1,658.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.13 : 3,317.31 = 1,658.01 : x
2. Step 2: Convert to fraction form
   2,402.13/3,317.31 = 1,658.01/x
3. Step 3: Cross multiply
   2,402.13x = 3,317.31 × 1,658.01
4. Step 4: Simplify right side
   2,402.13x = 5,500,133.15
5. Step 5: Solve for x
   x = 5,500,133.15/2,402.13
6. Step 6: Final answer
   x = 2,289.69