Finding the Fourth Proportional to 9,768.47, 13,482.18 and 5,790.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,768.47 : 13,482.18 = 5,790.96 : x
2. Step 2: Convert to fraction form
   9,768.47/13,482.18 = 5,790.96/x
3. Step 3: Cross multiply
   9,768.47x = 13,482.18 × 5,790.96
4. Step 4: Simplify right side
   9,768.47x = 78,074,765.09
5. Step 5: Solve for x
   x = 78,074,765.09/9,768.47
6. Step 6: Final answer
   x = 7,992.53