Finding the Fourth Proportional to 9,549.42, 13,178.16 and 5,357.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,549.42 : 13,178.16 = 5,357.68 : x
2. Step 2: Convert to fraction form
   9,549.42/13,178.16 = 5,357.68/x
3. Step 3: Cross multiply
   9,549.42x = 13,178.16 × 5,357.68
4. Step 4: Simplify right side
   9,549.42x = 70,604,364.27
5. Step 5: Solve for x
   x = 70,604,364.27/9,549.42
6. Step 6: Final answer
   x = 7,393.58