Finding the Fourth Proportional to 9,549.81, 13,178.03 and 5,357.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,549.81 : 13,178.03 = 5,357.25 : x
2. Step 2: Convert to fraction form
   9,549.81/13,178.03 = 5,357.25/x
3. Step 3: Cross multiply
   9,549.81x = 13,178.03 × 5,357.25
4. Step 4: Simplify right side
   9,549.81x = 70,597,974.43
5. Step 5: Solve for x
   x = 70,597,974.43/9,549.81
6. Step 6: Final answer
   x = 7,392.61