Finding the Fourth Proportional to 2,444.86, 3,667.50 and 689.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,444.86 : 3,667.50 = 689.88 : x
2. Step 2: Convert to fraction form
   2,444.86/3,667.50 = 689.88/x
3. Step 3: Cross multiply
   2,444.86x = 3,667.50 × 689.88
4. Step 4: Simplify right side
   2,444.86x = 2,530,119.65
5. Step 5: Solve for x
   x = 2,530,119.65/2,444.86
6. Step 6: Final answer
   x = 1,034.87