Finding the Fourth Proportional to 22,818.30, 31,488.30 and 14,325

Step by Step Solution

1. Step 1: Write the proportion equation
   22,818.30 : 31,488.30 = 14,325 : x
2. Step 2: Convert to fraction form
   22,818.30/31,488.30 = 14,325/x
3. Step 3: Cross multiply
   22,818.30x = 31,488.30 × 14,325
4. Step 4: Simplify right side
   22,818.30x = 451,069,897.50
5. Step 5: Solve for x
   x = 451,069,897.50/22,818.30
6. Step 6: Final answer
   x = 19,767.90