Finding the Fourth Proportional to 22,091.16, 30,475.73 and 13,133.57

Step by Step Solution

1. Step 1: Write the proportion equation
   22,091.16 : 30,475.73 = 13,133.57 : x
2. Step 2: Convert to fraction form
   22,091.16/30,475.73 = 13,133.57/x
3. Step 3: Cross multiply
   22,091.16x = 30,475.73 × 13,133.57
4. Step 4: Simplify right side
   22,091.16x = 400,255,067.59
5. Step 5: Solve for x
   x = 400,255,067.59/22,091.16
6. Step 6: Final answer
   x = 18,118.34