Finding the Fourth Proportional to 22,520.50, 31,085.58 and 14,137

Step by Step Solution

1. Step 1: Write the proportion equation
   22,520.50 : 31,085.58 = 14,137 : x
2. Step 2: Convert to fraction form
   22,520.50/31,085.58 = 14,137/x
3. Step 3: Cross multiply
   22,520.50x = 31,085.58 × 14,137
4. Step 4: Simplify right side
   22,520.50x = 439,456,844.46
5. Step 5: Solve for x
   x = 439,456,844.46/22,520.50
6. Step 6: Final answer
   x = 19,513.64