Finding the Fourth Proportional to 12,391.16, 18,585.23 and 3,626.00

Step by Step Solution

1. Step 1: Write the proportion equation
   12,391.16 : 18,585.23 = 3,626.00 : x
2. Step 2: Convert to fraction form
   12,391.16/18,585.23 = 3,626.00/x
3. Step 3: Cross multiply
   12,391.16x = 18,585.23 × 3,626.00
4. Step 4: Simplify right side
   12,391.16x = 67,389,932.92
5. Step 5: Solve for x
   x = 67,389,932.92/12,391.16
6. Step 6: Final answer
   x = 5,438.55