Finding the Fourth Proportional to 22,146.30, 30,541.98 and 14,589.90

Step by Step Solution

1. Step 1: Write the proportion equation
   22,146.30 : 30,541.98 = 14,589.90 : x
2. Step 2: Convert to fraction form
   22,146.30/30,541.98 = 14,589.90/x
3. Step 3: Cross multiply
   22,146.30x = 30,541.98 × 14,589.90
4. Step 4: Simplify right side
   22,146.30x = 445,604,434.00
5. Step 5: Solve for x
   x = 445,604,434.00/22,146.30
6. Step 6: Final answer
   x = 20,120.94