Finding the Fourth Proportional to 11,354.34, 17,039.34 and 3,958.86

Step by Step Solution

1. Step 1: Write the proportion equation
   11,354.34 : 17,039.34 = 3,958.86 : x
2. Step 2: Convert to fraction form
   11,354.34/17,039.34 = 3,958.86/x
3. Step 3: Cross multiply
   11,354.34x = 17,039.34 × 3,958.86
4. Step 4: Simplify right side
   11,354.34x = 67,456,361.55
5. Step 5: Solve for x
   x = 67,456,361.55/11,354.34
6. Step 6: Final answer
   x = 5,941.02