Finding the Fourth Proportional to 9,047.97, 13,633.59 and 7,440.53

Step by Step Solution

1. Step 1: Write the proportion equation
   9,047.97 : 13,633.59 = 7,440.53 : x
2. Step 2: Convert to fraction form
   9,047.97/13,633.59 = 7,440.53/x
3. Step 3: Cross multiply
   9,047.97x = 13,633.59 × 7,440.53
4. Step 4: Simplify right side
   9,047.97x = 101,441,067.23
5. Step 5: Solve for x
   x = 101,441,067.23/9,047.97
6. Step 6: Final answer
   x = 11,211.47