Finding the Fourth Proportional to 22,085.46, 30,469.77 and 13,133.34

Step by Step Solution

1. Step 1: Write the proportion equation
   22,085.46 : 30,469.77 = 13,133.34 : x
2. Step 2: Convert to fraction form
   22,085.46/30,469.77 = 13,133.34/x
3. Step 3: Cross multiply
   22,085.46x = 30,469.77 × 13,133.34
4. Step 4: Simplify right side
   22,085.46x = 400,169,849.13
5. Step 5: Solve for x
   x = 400,169,849.13/22,085.46
6. Step 6: Final answer
   x = 18,119.15