Finding the Fourth Proportional to 13,301.27, 19,954.83 and 3,942.02

Step by Step Solution

1. Step 1: Write the proportion equation
   13,301.27 : 19,954.83 = 3,942.02 : x
2. Step 2: Convert to fraction form
   13,301.27/19,954.83 = 3,942.02/x
3. Step 3: Cross multiply
   13,301.27x = 19,954.83 × 3,942.02
4. Step 4: Simplify right side
   13,301.27x = 78,662,398.25
5. Step 5: Solve for x
   x = 78,662,398.25/13,301.27
6. Step 6: Final answer
   x = 5,913.90