Finding the Fourth Proportional to 8,967.31, 13,451.32 and 3,419.92

Step by Step Solution

1. Step 1: Write the proportion equation
   8,967.31 : 13,451.32 = 3,419.92 : x
2. Step 2: Convert to fraction form
   8,967.31/13,451.32 = 3,419.92/x
3. Step 3: Cross multiply
   8,967.31x = 13,451.32 × 3,419.92
4. Step 4: Simplify right side
   8,967.31x = 46,002,440.15
5. Step 5: Solve for x
   x = 46,002,440.15/8,967.31
6. Step 6: Final answer
   x = 5,130.02