Finding the Fourth Proportional to 2,616.80, 3,610.41 and 2,174

Step by Step Solution

1. Step 1: Write the proportion equation
   2,616.80 : 3,610.41 = 2,174 : x
2. Step 2: Convert to fraction form
   2,616.80/3,610.41 = 2,174/x
3. Step 3: Cross multiply
   2,616.80x = 3,610.41 × 2,174
4. Step 4: Simplify right side
   2,616.80x = 7,849,031.34
5. Step 5: Solve for x
   x = 7,849,031.34/2,616.80
6. Step 6: Final answer
   x = 2,999.48