Finding the Fourth Proportional to 9,311.40, 13,968.72 and 3,764.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,311.40 : 13,968.72 = 3,764.52 : x
2. Step 2: Convert to fraction form
   9,311.40/13,968.72 = 3,764.52/x
3. Step 3: Cross multiply
   9,311.40x = 13,968.72 × 3,764.52
4. Step 4: Simplify right side
   9,311.40x = 52,585,525.81
5. Step 5: Solve for x
   x = 52,585,525.81/9,311.40
6. Step 6: Final answer
   x = 5,647.43