Finding the Fourth Proportional to 2,768.71, 3,821.56 and 1,872.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,768.71 : 3,821.56 = 1,872.04 : x
2. Step 2: Convert to fraction form
   2,768.71/3,821.56 = 1,872.04/x
3. Step 3: Cross multiply
   2,768.71x = 3,821.56 × 1,872.04
4. Step 4: Simplify right side
   2,768.71x = 7,154,113.18
5. Step 5: Solve for x
   x = 7,154,113.18/2,768.71
6. Step 6: Final answer
   x = 2,583.92