Finding the Fourth Proportional to 9,549.30, 13,178.62 and 5,357.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,549.30 : 13,178.62 = 5,357.82 : x
2. Step 2: Convert to fraction form
   9,549.30/13,178.62 = 5,357.82/x
3. Step 3: Cross multiply
   9,549.30x = 13,178.62 × 5,357.82
4. Step 4: Simplify right side
   9,549.30x = 70,608,673.81
5. Step 5: Solve for x
   x = 70,608,673.81/9,549.30
6. Step 6: Final answer
   x = 7,394.12