Finding the Fourth Proportional to 2,389.06, 3,582.37 and 2,288.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,389.06 : 3,582.37 = 2,288.08 : x
2. Step 2: Convert to fraction form
   2,389.06/3,582.37 = 2,288.08/x
3. Step 3: Cross multiply
   2,389.06x = 3,582.37 × 2,288.08
4. Step 4: Simplify right side
   2,389.06x = 8,196,749.15
5. Step 5: Solve for x
   x = 8,196,749.15/2,389.06
6. Step 6: Final answer
   x = 3,430.95