Finding the Fourth Proportional to 8,433.97, 11,642.69 and 5,451.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,433.97 : 11,642.69 = 5,451.25 : x
2. Step 2: Convert to fraction form
   8,433.97/11,642.69 = 5,451.25/x
3. Step 3: Cross multiply
   8,433.97x = 11,642.69 × 5,451.25
4. Step 4: Simplify right side
   8,433.97x = 63,467,189.55
5. Step 5: Solve for x
   x = 63,467,189.55/8,433.97
6. Step 6: Final answer
   x = 7,525.18