Finding the Fourth Proportional to 9,767.48, 13,479.18 and 5,291.23

Step by Step Solution

1. Step 1: Write the proportion equation
   9,767.48 : 13,479.18 = 5,291.23 : x
2. Step 2: Convert to fraction form
   9,767.48/13,479.18 = 5,291.23/x
3. Step 3: Cross multiply
   9,767.48x = 13,479.18 × 5,291.23
4. Step 4: Simplify right side
   9,767.48x = 71,321,407.89
5. Step 5: Solve for x
   x = 71,321,407.89/9,767.48
6. Step 6: Final answer
   x = 7,301.93