Finding the Fourth Proportional to 22,105.48, 30,505.34 and 12,673.84

Step by Step Solution

1. Step 1: Write the proportion equation
   22,105.48 : 30,505.34 = 12,673.84 : x
2. Step 2: Convert to fraction form
   22,105.48/30,505.34 = 12,673.84/x
3. Step 3: Cross multiply
   22,105.48x = 30,505.34 × 12,673.84
4. Step 4: Simplify right side
   22,105.48x = 386,619,798.31
5. Step 5: Solve for x
   x = 386,619,798.31/22,105.48
6. Step 6: Final answer
   x = 17,489.77