Finding the Fourth Proportional to 9,451.69, 13,043.36 and 5,259.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,451.69 : 13,043.36 = 5,259.94 : x
2. Step 2: Convert to fraction form
   9,451.69/13,043.36 = 5,259.94/x
3. Step 3: Cross multiply
   9,451.69x = 13,043.36 × 5,259.94
4. Step 4: Simplify right side
   9,451.69x = 68,607,271.54
5. Step 5: Solve for x
   x = 68,607,271.54/9,451.69
6. Step 6: Final answer
   x = 7,258.73