Finding the Fourth Proportional to 3,967.48, 5,474.58 and 2,288.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,967.48 : 5,474.58 = 2,288.50 : x
2. Step 2: Convert to fraction form
   3,967.48/5,474.58 = 2,288.50/x
3. Step 3: Cross multiply
   3,967.48x = 5,474.58 × 2,288.50
4. Step 4: Simplify right side
   3,967.48x = 12,528,576.33
5. Step 5: Solve for x
   x = 12,528,576.33/3,967.48
6. Step 6: Final answer
   x = 3,157.82