Finding the Fourth Proportional to 1,906.07, 2,631.24 and 1,434.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,906.07 : 2,631.24 = 1,434.12 : x
2. Step 2: Convert to fraction form
   1,906.07/2,631.24 = 1,434.12/x
3. Step 3: Cross multiply
   1,906.07x = 2,631.24 × 1,434.12
4. Step 4: Simplify right side
   1,906.07x = 3,773,504.04
5. Step 5: Solve for x
   x = 3,773,504.04/1,906.07
6. Step 6: Final answer
   x = 1,979.73