Finding the Fourth Proportional to 9,553.76, 13,181.49 and 6,196.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,553.76 : 13,181.49 = 6,196.71 : x
2. Step 2: Convert to fraction form
   9,553.76/13,181.49 = 6,196.71/x
3. Step 3: Cross multiply
   9,553.76x = 13,181.49 × 6,196.71
4. Step 4: Simplify right side
   9,553.76x = 81,681,870.90
5. Step 5: Solve for x
   x = 81,681,870.90/9,553.76
6. Step 6: Final answer
   x = 8,549.71