Finding the Fourth Proportional to 22,141.76, 30,554.24 and 12,703.68

Step by Step Solution

1. Step 1: Write the proportion equation
   22,141.76 : 30,554.24 = 12,703.68 : x
2. Step 2: Convert to fraction form
   22,141.76/30,554.24 = 12,703.68/x
3. Step 3: Cross multiply
   22,141.76x = 30,554.24 × 12,703.68
4. Step 4: Simplify right side
   22,141.76x = 388,151,287.60
5. Step 5: Solve for x
   x = 388,151,287.60/22,141.76
6. Step 6: Final answer
   x = 17,530.28