Finding the Fourth Proportional to 1,497.31, 2,067.56 and 938.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,497.31 : 2,067.56 = 938.71 : x
2. Step 2: Convert to fraction form
   1,497.31/2,067.56 = 938.71/x
3. Step 3: Cross multiply
   1,497.31x = 2,067.56 × 938.71
4. Step 4: Simplify right side
   1,497.31x = 1,940,834.55
5. Step 5: Solve for x
   x = 1,940,834.55/1,497.31
6. Step 6: Final answer
   x = 1,296.22