Finding the Fourth Proportional to 6,404.34, 9,611.37 and 3,119.52

Step by Step Solution

1. Step 1: Write the proportion equation
   6,404.34 : 9,611.37 = 3,119.52 : x
2. Step 2: Convert to fraction form
   6,404.34/9,611.37 = 3,119.52/x
3. Step 3: Cross multiply
   6,404.34x = 9,611.37 × 3,119.52
4. Step 4: Simplify right side
   6,404.34x = 29,982,812.89
5. Step 5: Solve for x
   x = 29,982,812.89/6,404.34
6. Step 6: Final answer
   x = 4,681.64