Finding the Fourth Proportional to 22,081.37, 30,472.88 and 13,133.70

Step by Step Solution

1. Step 1: Write the proportion equation
   22,081.37 : 30,472.88 = 13,133.70 : x
2. Step 2: Convert to fraction form
   22,081.37/30,472.88 = 13,133.70/x
3. Step 3: Cross multiply
   22,081.37x = 30,472.88 × 13,133.70
4. Step 4: Simplify right side
   22,081.37x = 400,221,598.39
5. Step 5: Solve for x
   x = 400,221,598.39/22,081.37
6. Step 6: Final answer
   x = 18,124.86