Finding the Fourth Proportional to 2,110.30, 2,912.06 and 1,166.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,110.30 : 2,912.06 = 1,166.10 : x
2. Step 2: Convert to fraction form
   2,110.30/2,912.06 = 1,166.10/x
3. Step 3: Cross multiply
   2,110.30x = 2,912.06 × 1,166.10
4. Step 4: Simplify right side
   2,110.30x = 3,395,753.17
5. Step 5: Solve for x
   x = 3,395,753.17/2,110.30
6. Step 6: Final answer
   x = 1,609.13