Finding the Fourth Proportional to 2,180.96, 3,009.83 and 1,434.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,180.96 : 3,009.83 = 1,434.34 : x
2. Step 2: Convert to fraction form
   2,180.96/3,009.83 = 1,434.34/x
3. Step 3: Cross multiply
   2,180.96x = 3,009.83 × 1,434.34
4. Step 4: Simplify right side
   2,180.96x = 4,317,116.15
5. Step 5: Solve for x
   x = 4,317,116.15/2,180.96
6. Step 6: Final answer
   x = 1,979.46