Finding the Fourth Proportional to 22,357.16, 30,848.52 and 12,799.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,357.16 : 30,848.52 = 12,799.96 : x
2. Step 2: Convert to fraction form
   22,357.16/30,848.52 = 12,799.96/x
3. Step 3: Cross multiply
   22,357.16x = 30,848.52 × 12,799.96
4. Step 4: Simplify right side
   22,357.16x = 394,859,822.06
5. Step 5: Solve for x
   x = 394,859,822.06/22,357.16
6. Step 6: Final answer
   x = 17,661.45