Finding the Fourth Proportional to 13,830.93, 20,743.29 and 3,968.01

Step by Step Solution

1. Step 1: Write the proportion equation
   13,830.93 : 20,743.29 = 3,968.01 : x
2. Step 2: Convert to fraction form
   13,830.93/20,743.29 = 3,968.01/x
3. Step 3: Cross multiply
   13,830.93x = 20,743.29 × 3,968.01
4. Step 4: Simplify right side
   13,830.93x = 82,309,582.15
5. Step 5: Solve for x
   x = 82,309,582.15/13,830.93
6. Step 6: Final answer
   x = 5,951.12