Finding the Fourth Proportional to 2,654.16, 3,973.32 and 1,611

Step by Step Solution

1. Step 1: Write the proportion equation
   2,654.16 : 3,973.32 = 1,611 : x
2. Step 2: Convert to fraction form
   2,654.16/3,973.32 = 1,611/x
3. Step 3: Cross multiply
   2,654.16x = 3,973.32 × 1,611
4. Step 4: Simplify right side
   2,654.16x = 6,401,018.52
5. Step 5: Solve for x
   x = 6,401,018.52/2,654.16
6. Step 6: Final answer
   x = 2,411.69