Finding the Fourth Proportional to 1,906.72, 2,634 and 1,490.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,906.72 : 2,634 = 1,490.72 : x
2. Step 2: Convert to fraction form
   1,906.72/2,634 = 1,490.72/x
3. Step 3: Cross multiply
   1,906.72x = 2,634 × 1,490.72
4. Step 4: Simplify right side
   1,906.72x = 3,926,556.48
5. Step 5: Solve for x
   x = 3,926,556.48/1,906.72
6. Step 6: Final answer
   x = 2,059.33