Finding the Fourth Proportional to 8,667.22, 11,963.82 and 5,133.46

Step by Step Solution

1. Step 1: Write the proportion equation
   8,667.22 : 11,963.82 = 5,133.46 : x
2. Step 2: Convert to fraction form
   8,667.22/11,963.82 = 5,133.46/x
3. Step 3: Cross multiply
   8,667.22x = 11,963.82 × 5,133.46
4. Step 4: Simplify right side
   8,667.22x = 61,415,791.42
5. Step 5: Solve for x
   x = 61,415,791.42/8,667.22
6. Step 6: Final answer
   x = 7,085.99