Finding the Fourth Proportional to 7,968.81, 11,955.52 and 3,526.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,968.81 : 11,955.52 = 3,526.31 : x
2. Step 2: Convert to fraction form
   7,968.81/11,955.52 = 3,526.31/x
3. Step 3: Cross multiply
   7,968.81x = 11,955.52 × 3,526.31
4. Step 4: Simplify right side
   7,968.81x = 42,158,880.32
5. Step 5: Solve for x
   x = 42,158,880.32/7,968.81
6. Step 6: Final answer
   x = 5,290.49