Finding the Fourth Proportional to 9,554.45, 13,185.27 and 5,778.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,554.45 : 13,185.27 = 5,778.05 : x
2. Step 2: Convert to fraction form
   9,554.45/13,185.27 = 5,778.05/x
3. Step 3: Cross multiply
   9,554.45x = 13,185.27 × 5,778.05
4. Step 4: Simplify right side
   9,554.45x = 76,185,083.40
5. Step 5: Solve for x
   x = 76,185,083.40/9,554.45
6. Step 6: Final answer
   x = 7,973.78