Finding the Fourth Proportional to 2,401.39, 3,314.54 and 1,564.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.39 : 3,314.54 = 1,564.18 : x
2. Step 2: Convert to fraction form
   2,401.39/3,314.54 = 1,564.18/x
3. Step 3: Cross multiply
   2,401.39x = 3,314.54 × 1,564.18
4. Step 4: Simplify right side
   2,401.39x = 5,184,537.18
5. Step 5: Solve for x
   x = 5,184,537.18/2,401.39
6. Step 6: Final answer
   x = 2,158.97