Finding the Fourth Proportional to 6,967.89, 9,615.06 and 4,134.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,967.89 : 9,615.06 = 4,134.78 : x
2. Step 2: Convert to fraction form
   6,967.89/9,615.06 = 4,134.78/x
3. Step 3: Cross multiply
   6,967.89x = 9,615.06 × 4,134.78
4. Step 4: Simplify right side
   6,967.89x = 39,756,157.79
5. Step 5: Solve for x
   x = 39,756,157.79/6,967.89
6. Step 6: Final answer
   x = 5,705.62