Finding the Fourth Proportional to 2,632.48, 3,948.69 and 684.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,632.48 : 3,948.69 = 684.67 : x
2. Step 2: Convert to fraction form
   2,632.48/3,948.69 = 684.67/x
3. Step 3: Cross multiply
   2,632.48x = 3,948.69 × 684.67
4. Step 4: Simplify right side
   2,632.48x = 2,703,549.58
5. Step 5: Solve for x
   x = 2,703,549.58/2,632.48
6. Step 6: Final answer
   x = 1,027.00