Finding the Fourth Proportional to 9,549.40, 13,178.22 and 5,357.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,549.40 : 13,178.22 = 5,357.68 : x
2. Step 2: Convert to fraction form
   9,549.40/13,178.22 = 5,357.68/x
3. Step 3: Cross multiply
   9,549.40x = 13,178.22 × 5,357.68
4. Step 4: Simplify right side
   9,549.40x = 70,604,685.73
5. Step 5: Solve for x
   x = 70,604,685.73/9,549.40
6. Step 6: Final answer
   x = 7,393.63