Finding the Fourth Proportional to 22,355.82, 30,852.75 and 12,798.71

Step by Step Solution

1. Step 1: Write the proportion equation
   22,355.82 : 30,852.75 = 12,798.71 : x
2. Step 2: Convert to fraction form
   22,355.82/30,852.75 = 12,798.71/x
3. Step 3: Cross multiply
   22,355.82x = 30,852.75 × 12,798.71
4. Step 4: Simplify right side
   22,355.82x = 394,875,253.27
5. Step 5: Solve for x
   x = 394,875,253.27/22,355.82
6. Step 6: Final answer
   x = 17,663.20