Finding the Fourth Proportional to 22,061.68, 30,449.48 and 12,636.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,061.68 : 30,449.48 = 12,636.52 : x
2. Step 2: Convert to fraction form
   22,061.68/30,449.48 = 12,636.52/x
3. Step 3: Cross multiply
   22,061.68x = 30,449.48 × 12,636.52
4. Step 4: Simplify right side
   22,061.68x = 384,775,463.01
5. Step 5: Solve for x
   x = 384,775,463.01/22,061.68
6. Step 6: Final answer
   x = 17,440.90