Finding the Fourth Proportional to 2,083.10, 3,126.06 and 1,109.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,083.10 : 3,126.06 = 1,109.88 : x
2. Step 2: Convert to fraction form
   2,083.10/3,126.06 = 1,109.88/x
3. Step 3: Cross multiply
   2,083.10x = 3,126.06 × 1,109.88
4. Step 4: Simplify right side
   2,083.10x = 3,469,551.47
5. Step 5: Solve for x
   x = 3,469,551.47/2,083.10
6. Step 6: Final answer
   x = 1,665.57