Finding the Fourth Proportional to 22,086.96, 30,471.84 and 13,134.84

Step by Step Solution

1. Step 1: Write the proportion equation
   22,086.96 : 30,471.84 = 13,134.84 : x
2. Step 2: Convert to fraction form
   22,086.96/30,471.84 = 13,134.84/x
3. Step 3: Cross multiply
   22,086.96x = 30,471.84 × 13,134.84
4. Step 4: Simplify right side
   22,086.96x = 400,242,742.91
5. Step 5: Solve for x
   x = 400,242,742.91/22,086.96
6. Step 6: Final answer
   x = 18,121.22