Finding the Fourth Proportional to 1,783.74, 2,461.56 and 997.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,783.74 : 2,461.56 = 997.94 : x
2. Step 2: Convert to fraction form
   1,783.74/2,461.56 = 997.94/x
3. Step 3: Cross multiply
   1,783.74x = 2,461.56 × 997.94
4. Step 4: Simplify right side
   1,783.74x = 2,456,476.88
5. Step 5: Solve for x
   x = 2,456,476.88/1,783.74
6. Step 6: Final answer
   x = 1,377.15