Finding the Fourth Proportional to 2,495.14, 3,443.61 and 1,564.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,495.14 : 3,443.61 = 1,564.90 : x
2. Step 2: Convert to fraction form
   2,495.14/3,443.61 = 1,564.90/x
3. Step 3: Cross multiply
   2,495.14x = 3,443.61 × 1,564.90
4. Step 4: Simplify right side
   2,495.14x = 5,388,905.29
5. Step 5: Solve for x
   x = 5,388,905.29/2,495.14
6. Step 6: Final answer
   x = 2,159.76