Finding the Fourth Proportional to 9,178.25, 12,667.07 and 5,452.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,178.25 : 12,667.07 = 5,452.25 : x
2. Step 2: Convert to fraction form
   9,178.25/12,667.07 = 5,452.25/x
3. Step 3: Cross multiply
   9,178.25x = 12,667.07 × 5,452.25
4. Step 4: Simplify right side
   9,178.25x = 69,064,005.15
5. Step 5: Solve for x
   x = 69,064,005.15/9,178.25
6. Step 6: Final answer
   x = 7,524.75