Finding the Fourth Proportional to 9,667.94, 13,346.25 and 7,278.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,667.94 : 13,346.25 = 7,278.86 : x
2. Step 2: Convert to fraction form
   9,667.94/13,346.25 = 7,278.86/x
3. Step 3: Cross multiply
   9,667.94x = 13,346.25 × 7,278.86
4. Step 4: Simplify right side
   9,667.94x = 97,145,485.28
5. Step 5: Solve for x
   x = 97,145,485.28/9,667.94
6. Step 6: Final answer
   x = 10,048.21