Finding the Fourth Proportional to 3,964.50, 5,471.01 and 2,392.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,964.50 : 5,471.01 = 2,392.59 : x
2. Step 2: Convert to fraction form
   3,964.50/5,471.01 = 2,392.59/x
3. Step 3: Cross multiply
   3,964.50x = 5,471.01 × 2,392.59
4. Step 4: Simplify right side
   3,964.50x = 13,089,904.33
5. Step 5: Solve for x
   x = 13,089,904.33/3,964.50
6. Step 6: Final answer
   x = 3,301.78