Finding the Fourth Proportional to 1,665.59, 2,495.94 and 1,544.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.59 : 2,495.94 = 1,544.09 : x
2. Step 2: Convert to fraction form
   1,665.59/2,495.94 = 1,544.09/x
3. Step 3: Cross multiply
   1,665.59x = 2,495.94 × 1,544.09
4. Step 4: Simplify right side
   1,665.59x = 3,853,955.99
5. Step 5: Solve for x
   x = 3,853,955.99/1,665.59
6. Step 6: Final answer
   x = 2,313.87