Finding the Fourth Proportional to 9,654.28, 13,319.81 and 5,404.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,654.28 : 13,319.81 = 5,404.71 : x
2. Step 2: Convert to fraction form
   9,654.28/13,319.81 = 5,404.71/x
3. Step 3: Cross multiply
   9,654.28x = 13,319.81 × 5,404.71
4. Step 4: Simplify right side
   9,654.28x = 71,989,716.58
5. Step 5: Solve for x
   x = 71,989,716.58/9,654.28
6. Step 6: Final answer
   x = 7,456.77