Finding the Fourth Proportional to 2,665.63, 3,676.59 and 1,957.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665.63 : 3,676.59 = 1,957.25 : x
2. Step 2: Convert to fraction form
   2,665.63/3,676.59 = 1,957.25/x
3. Step 3: Cross multiply
   2,665.63x = 3,676.59 × 1,957.25
4. Step 4: Simplify right side
   2,665.63x = 7,196,005.78
5. Step 5: Solve for x
   x = 7,196,005.78/2,665.63
6. Step 6: Final answer
   x = 2,699.55