Finding the Fourth Proportional to 9,653.42, 13,320.59 and 5,404.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,653.42 : 13,320.59 = 5,404.71 : x
2. Step 2: Convert to fraction form
   9,653.42/13,320.59 = 5,404.71/x
3. Step 3: Cross multiply
   9,653.42x = 13,320.59 × 5,404.71
4. Step 4: Simplify right side
   9,653.42x = 71,993,898.96
5. Step 5: Solve for x
   x = 71,993,898.96/9,653.42
6. Step 6: Final answer
   x = 7,457.87