Finding the Fourth Proportional to 9,178.50, 12,667.41 and 5,452.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,178.50 : 12,667.41 = 5,452.50 : x
2. Step 2: Convert to fraction form
   9,178.50/12,667.41 = 5,452.50/x
3. Step 3: Cross multiply
   9,178.50x = 12,667.41 × 5,452.50
4. Step 4: Simplify right side
   9,178.50x = 69,069,053.03
5. Step 5: Solve for x
   x = 69,069,053.03/9,178.50
6. Step 6: Final answer
   x = 7,525.09