Finding the Fourth Proportional to 2,114.72, 3,169.20 and 1,343.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,114.72 : 3,169.20 = 1,343.84 : x
2. Step 2: Convert to fraction form
   2,114.72/3,169.20 = 1,343.84/x
3. Step 3: Cross multiply
   2,114.72x = 3,169.20 × 1,343.84
4. Step 4: Simplify right side
   2,114.72x = 4,258,897.73
5. Step 5: Solve for x
   x = 4,258,897.73/2,114.72
6. Step 6: Final answer
   x = 2,013.93