Finding the Fourth Proportional to 1,783.89, 2,461.73 and 997.97

Step by Step Solution

1. Step 1: Write the proportion equation
   1,783.89 : 2,461.73 = 997.97 : x
2. Step 2: Convert to fraction form
   1,783.89/2,461.73 = 997.97/x
3. Step 3: Cross multiply
   1,783.89x = 2,461.73 × 997.97
4. Step 4: Simplify right side
   1,783.89x = 2,456,715.39
5. Step 5: Solve for x
   x = 2,456,715.39/1,783.89
6. Step 6: Final answer
   x = 1,377.17