Finding the Fourth Proportional to 2,446.76, 3,667.74 and 985

Step by Step Solution

1. Step 1: Write the proportion equation
   2,446.76 : 3,667.74 = 985 : x
2. Step 2: Convert to fraction form
   2,446.76/3,667.74 = 985/x
3. Step 3: Cross multiply
   2,446.76x = 3,667.74 × 985
4. Step 4: Simplify right side
   2,446.76x = 3,612,723.90
5. Step 5: Solve for x
   x = 3,612,723.90/2,446.76
6. Step 6: Final answer
   x = 1,476.53