Finding the Fourth Proportional to 1,256.94, 1,882.89 and 997.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,256.94 : 1,882.89 = 997.38 : x
2. Step 2: Convert to fraction form
   1,256.94/1,882.89 = 997.38/x
3. Step 3: Cross multiply
   1,256.94x = 1,882.89 × 997.38
4. Step 4: Simplify right side
   1,256.94x = 1,877,956.83
5. Step 5: Solve for x
   x = 1,877,956.83/1,256.94
6. Step 6: Final answer
   x = 1,494.07