Finding the Fourth Proportional to 22,626.04, 31,158.16 and 21,182

Step by Step Solution

1. Step 1: Write the proportion equation
   22,626.04 : 31,158.16 = 21,182 : x
2. Step 2: Convert to fraction form
   22,626.04/31,158.16 = 21,182/x
3. Step 3: Cross multiply
   22,626.04x = 31,158.16 × 21,182
4. Step 4: Simplify right side
   22,626.04x = 659,992,145.12
5. Step 5: Solve for x
   x = 659,992,145.12/22,626.04
6. Step 6: Final answer
   x = 29,169.58