Finding the Fourth Proportional to 9,653.73, 13,321.26 and 5,404.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,653.73 : 13,321.26 = 5,404.56 : x
2. Step 2: Convert to fraction form
   9,653.73/13,321.26 = 5,404.56/x
3. Step 3: Cross multiply
   9,653.73x = 13,321.26 × 5,404.56
4. Step 4: Simplify right side
   9,653.73x = 71,995,548.95
5. Step 5: Solve for x
   x = 71,995,548.95/9,653.73
6. Step 6: Final answer
   x = 7,457.80