Finding the Fourth Proportional to 2,106.93, 3,160.69 and 1,119.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106.93 : 3,160.69 = 1,119.48 : x
2. Step 2: Convert to fraction form
   2,106.93/3,160.69 = 1,119.48/x
3. Step 3: Cross multiply
   2,106.93x = 3,160.69 × 1,119.48
4. Step 4: Simplify right side
   2,106.93x = 3,538,345.46
5. Step 5: Solve for x
   x = 3,538,345.46/2,106.93
6. Step 6: Final answer
   x = 1,679.39