Finding the Fourth Proportional to 22,150.80, 30,566.95 and 12,589.41

Step by Step Solution

1. Step 1: Write the proportion equation
   22,150.80 : 30,566.95 = 12,589.41 : x
2. Step 2: Convert to fraction form
   22,150.80/30,566.95 = 12,589.41/x
3. Step 3: Cross multiply
   22,150.80x = 30,566.95 × 12,589.41
4. Step 4: Simplify right side
   22,150.80x = 384,819,866.00
5. Step 5: Solve for x
   x = 384,819,866.00/22,150.80
6. Step 6: Final answer
   x = 17,372.73