Finding the Fourth Proportional to 3,952.56, 5,923.98 and 2,103.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,952.56 : 5,923.98 = 2,103.60 : x
2. Step 2: Convert to fraction form
   3,952.56/5,923.98 = 2,103.60/x
3. Step 3: Cross multiply
   3,952.56x = 5,923.98 × 2,103.60
4. Step 4: Simplify right side
   3,952.56x = 12,461,684.33
5. Step 5: Solve for x
   x = 12,461,684.33/3,952.56
6. Step 6: Final answer
   x = 3,152.81