Finding the Fourth Proportional to 3,973.86, 5,481.39 and 3,134.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,973.86 : 5,481.39 = 3,134.29 : x
2. Step 2: Convert to fraction form
   3,973.86/5,481.39 = 3,134.29/x
3. Step 3: Cross multiply
   3,973.86x = 5,481.39 × 3,134.29
4. Step 4: Simplify right side
   3,973.86x = 17,180,265.86
5. Step 5: Solve for x
   x = 17,180,265.86/3,973.86
6. Step 6: Final answer
   x = 4,323.32