Finding the Fourth Proportional to 9,653.32, 13,321.10 and 5,404.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,653.32 : 13,321.10 = 5,404.28 : x
2. Step 2: Convert to fraction form
   9,653.32/13,321.10 = 5,404.28/x
3. Step 3: Cross multiply
   9,653.32x = 13,321.10 × 5,404.28
4. Step 4: Simplify right side
   9,653.32x = 71,990,954.31
5. Step 5: Solve for x
   x = 71,990,954.31/9,653.32
6. Step 6: Final answer
   x = 7,457.64