Finding the Fourth Proportional to 9,485.44, 13,087.68 and 5,758.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,485.44 : 13,087.68 = 5,758.72 : x
2. Step 2: Convert to fraction form
   9,485.44/13,087.68 = 5,758.72/x
3. Step 3: Cross multiply
   9,485.44x = 13,087.68 × 5,758.72
4. Step 4: Simplify right side
   9,485.44x = 75,368,284.57
5. Step 5: Solve for x
   x = 75,368,284.57/9,485.44
6. Step 6: Final answer
   x = 7,945.68