Finding the Fourth Proportional to 2,073.51, 3,111.18 and 1,099.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,073.51 : 3,111.18 = 1,099.38 : x
2. Step 2: Convert to fraction form
   2,073.51/3,111.18 = 1,099.38/x
3. Step 3: Cross multiply
   2,073.51x = 3,111.18 × 1,099.38
4. Step 4: Simplify right side
   2,073.51x = 3,420,369.07
5. Step 5: Solve for x
   x = 3,420,369.07/2,073.51
6. Step 6: Final answer
   x = 1,649.56