Finding the Fourth Proportional to 9,647.74, 14,479.31 and 3,808.45

Step by Step Solution

1. Step 1: Write the proportion equation
   9,647.74 : 14,479.31 = 3,808.45 : x
2. Step 2: Convert to fraction form
   9,647.74/14,479.31 = 3,808.45/x
3. Step 3: Cross multiply
   9,647.74x = 14,479.31 × 3,808.45
4. Step 4: Simplify right side
   9,647.74x = 55,143,728.17
5. Step 5: Solve for x
   x = 55,143,728.17/9,647.74
6. Step 6: Final answer
   x = 5,715.71