Finding the Fourth Proportional to 1,783.50, 2,461.23 and 997.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,783.50 : 2,461.23 = 997.74 : x
2. Step 2: Convert to fraction form
   1,783.50/2,461.23 = 997.74/x
3. Step 3: Cross multiply
   1,783.50x = 2,461.23 × 997.74
4. Step 4: Simplify right side
   1,783.50x = 2,455,667.62
5. Step 5: Solve for x
   x = 2,455,667.62/1,783.50
6. Step 6: Final answer
   x = 1,376.88