Finding the Fourth Proportional to 9,549.47, 13,178.41 and 5,300.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,549.47 : 13,178.41 = 5,300.81 : x
2. Step 2: Convert to fraction form
   9,549.47/13,178.41 = 5,300.81/x
3. Step 3: Cross multiply
   9,549.47x = 13,178.41 × 5,300.81
4. Step 4: Simplify right side
   9,549.47x = 69,856,217.79
5. Step 5: Solve for x
   x = 69,856,217.79/9,549.47
6. Step 6: Final answer
   x = 7,315.19