Finding the Fourth Proportional to 2,547.05, 3,514.59 and 1,664.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,547.05 : 3,514.59 = 1,664.15 : x
2. Step 2: Convert to fraction form
   2,547.05/3,514.59 = 1,664.15/x
3. Step 3: Cross multiply
   2,547.05x = 3,514.59 × 1,664.15
4. Step 4: Simplify right side
   2,547.05x = 5,848,787.38
5. Step 5: Solve for x
   x = 5,848,787.38/2,547.05
6. Step 6: Final answer
   x = 2,296.30