Finding the Fourth Proportional to 9,207.36, 12,706.56 and 5,667.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,207.36 : 12,706.56 = 5,667.84 : x
2. Step 2: Convert to fraction form
   9,207.36/12,706.56 = 5,667.84/x
3. Step 3: Cross multiply
   9,207.36x = 12,706.56 × 5,667.84
4. Step 4: Simplify right side
   9,207.36x = 72,018,749.03
5. Step 5: Solve for x
   x = 72,018,749.03/9,207.36
6. Step 6: Final answer
   x = 7,821.87