Finding the Fourth Proportional to 9,757.39, 13,465.20 and 5,281.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,757.39 : 13,465.20 = 5,281.15 : x
2. Step 2: Convert to fraction form
   9,757.39/13,465.20 = 5,281.15/x
3. Step 3: Cross multiply
   9,757.39x = 13,465.20 × 5,281.15
4. Step 4: Simplify right side
   9,757.39x = 71,111,740.98
5. Step 5: Solve for x
   x = 71,111,740.98/9,757.39
6. Step 6: Final answer
   x = 7,287.99