Finding the Fourth Proportional to 3,819.32, 5,270.72 and 2,140.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,819.32 : 5,270.72 = 2,140.71 : x
2. Step 2: Convert to fraction form
   3,819.32/5,270.72 = 2,140.71/x
3. Step 3: Cross multiply
   3,819.32x = 5,270.72 × 2,140.71
4. Step 4: Simplify right side
   3,819.32x = 11,283,083.01
5. Step 5: Solve for x
   x = 11,283,083.01/3,819.32
6. Step 6: Final answer
   x = 2,954.21