Finding the Fourth Proportional to 1,906.10, 2,631.31 and 1,434.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,906.10 : 2,631.31 = 1,434.17 : x
2. Step 2: Convert to fraction form
   1,906.10/2,631.31 = 1,434.17/x
3. Step 3: Cross multiply
   1,906.10x = 2,631.31 × 1,434.17
4. Step 4: Simplify right side
   1,906.10x = 3,773,745.86
5. Step 5: Solve for x
   x = 3,773,745.86/1,906.10
6. Step 6: Final answer
   x = 1,979.83