Finding the Fourth Proportional to 1,783.82, 2,461.72 and 997.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,783.82 : 2,461.72 = 997.86 : x
2. Step 2: Convert to fraction form
   1,783.82/2,461.72 = 997.86/x
3. Step 3: Cross multiply
   1,783.82x = 2,461.72 × 997.86
4. Step 4: Simplify right side
   1,783.82x = 2,456,451.92
5. Step 5: Solve for x
   x = 2,456,451.92/1,783.82
6. Step 6: Final answer
   x = 1,377.07