Finding the Fourth Proportional to 10,367.07, 15,540.89 and 5,167.23

Step by Step Solution

1. Step 1: Write the proportion equation
   10,367.07 : 15,540.89 = 5,167.23 : x
2. Step 2: Convert to fraction form
   10,367.07/15,540.89 = 5,167.23/x
3. Step 3: Cross multiply
   10,367.07x = 15,540.89 × 5,167.23
4. Step 4: Simplify right side
   10,367.07x = 80,303,327.20
5. Step 5: Solve for x
   x = 80,303,327.20/10,367.07
6. Step 6: Final answer
   x = 7,746.00