Finding the Fourth Proportional to 2,401.89, 3,315.22 and 1,564.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.89 : 3,315.22 = 1,564.68 : x
2. Step 2: Convert to fraction form
   2,401.89/3,315.22 = 1,564.68/x
3. Step 3: Cross multiply
   2,401.89x = 3,315.22 × 1,564.68
4. Step 4: Simplify right side
   2,401.89x = 5,187,258.43
5. Step 5: Solve for x
   x = 5,187,258.43/2,401.89
6. Step 6: Final answer
   x = 2,159.66