Finding the Fourth Proportional to 9,659.49, 13,330.42 and 5,410.73

Step by Step Solution

1. Step 1: Write the proportion equation
   9,659.49 : 13,330.42 = 5,410.73 : x
2. Step 2: Convert to fraction form
   9,659.49/13,330.42 = 5,410.73/x
3. Step 3: Cross multiply
   9,659.49x = 13,330.42 × 5,410.73
4. Step 4: Simplify right side
   9,659.49x = 72,127,293.51
5. Step 5: Solve for x
   x = 72,127,293.51/9,659.49
6. Step 6: Final answer
   x = 7,466.99