Finding the Fourth Proportional to 9,525.80, 13,146.30 and 5,749.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,525.80 : 13,146.30 = 5,749.89 : x
2. Step 2: Convert to fraction form
   9,525.80/13,146.30 = 5,749.89/x
3. Step 3: Cross multiply
   9,525.80x = 13,146.30 × 5,749.89
4. Step 4: Simplify right side
   9,525.80x = 75,589,729.61
5. Step 5: Solve for x
   x = 75,589,729.61/9,525.80
6. Step 6: Final answer
   x = 7,935.26