Finding the Fourth Proportional to 2,812.32, 3,880.71 and 1,633.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,812.32 : 3,880.71 = 1,633.37 : x
2. Step 2: Convert to fraction form
   2,812.32/3,880.71 = 1,633.37/x
3. Step 3: Cross multiply
   2,812.32x = 3,880.71 × 1,633.37
4. Step 4: Simplify right side
   2,812.32x = 6,338,615.89
5. Step 5: Solve for x
   x = 6,338,615.89/2,812.32
6. Step 6: Final answer
   x = 2,253.87