Finding the Fourth Proportional to 9,683.50, 14,526.90 and 4,139.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,683.50 : 14,526.90 = 4,139.50 : x
2. Step 2: Convert to fraction form
   9,683.50/14,526.90 = 4,139.50/x
3. Step 3: Cross multiply
   9,683.50x = 14,526.90 × 4,139.50
4. Step 4: Simplify right side
   9,683.50x = 60,134,102.55
5. Step 5: Solve for x
   x = 60,134,102.55/9,683.50
6. Step 6: Final answer
   x = 6,209.96