Finding the Fourth Proportional to 9,683.28, 14,526.72 and 3,447

Step by Step Solution

1. Step 1: Write the proportion equation
   9,683.28 : 14,526.72 = 3,447 : x
2. Step 2: Convert to fraction form
   9,683.28/14,526.72 = 3,447/x
3. Step 3: Cross multiply
   9,683.28x = 14,526.72 × 3,447
4. Step 4: Simplify right side
   9,683.28x = 50,073,603.84
5. Step 5: Solve for x
   x = 50,073,603.84/9,683.28
6. Step 6: Final answer
   x = 5,171.14