Finding the Fourth Proportional to 22,520, 31,084.89 and 14,136.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,520 : 31,084.89 = 14,136.50 : x
2. Step 2: Convert to fraction form
   22,520/31,084.89 = 14,136.50/x
3. Step 3: Cross multiply
   22,520x = 31,084.89 × 14,136.50
4. Step 4: Simplify right side
   22,520x = 439,431,547.49
5. Step 5: Solve for x
   x = 439,431,547.49/22,520
6. Step 6: Final answer
   x = 19,512.95