Finding the Fourth Proportional to 2,072.96, 3,110.82 and 1,099.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,072.96 : 3,110.82 = 1,099.76 : x
2. Step 2: Convert to fraction form
   2,072.96/3,110.82 = 1,099.76/x
3. Step 3: Cross multiply
   2,072.96x = 3,110.82 × 1,099.76
4. Step 4: Simplify right side
   2,072.96x = 3,421,155.40
5. Step 5: Solve for x
   x = 3,421,155.40/2,072.96
6. Step 6: Final answer
   x = 1,650.37