Finding the Fourth Proportional to 13,841.96, 20,760.71 and 3,979.00

Step by Step Solution

1. Step 1: Write the proportion equation
   13,841.96 : 20,760.71 = 3,979.00 : x
2. Step 2: Convert to fraction form
   13,841.96/20,760.71 = 3,979.00/x
3. Step 3: Cross multiply
   13,841.96x = 20,760.71 × 3,979.00
4. Step 4: Simplify right side
   13,841.96x = 82,606,823.14
5. Step 5: Solve for x
   x = 82,606,823.14/13,841.96
6. Step 6: Final answer
   x = 5,967.85