Finding the Fourth Proportional to 2,099.93, 3,147.09 and 1,112.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099.93 : 3,147.09 = 1,112.54 : x
2. Step 2: Convert to fraction form
   2,099.93/3,147.09 = 1,112.54/x
3. Step 3: Cross multiply
   2,099.93x = 3,147.09 × 1,112.54
4. Step 4: Simplify right side
   2,099.93x = 3,501,247.77
5. Step 5: Solve for x
   x = 3,501,247.77/2,099.93
6. Step 6: Final answer
   x = 1,667.32