Finding the Fourth Proportional to 3,820.71, 5,272.11 and 2,141.73

Step by Step Solution

1. Step 1: Write the proportion equation
   3,820.71 : 5,272.11 = 2,141.73 : x
2. Step 2: Convert to fraction form
   3,820.71/5,272.11 = 2,141.73/x
3. Step 3: Cross multiply
   3,820.71x = 5,272.11 × 2,141.73
4. Step 4: Simplify right side
   3,820.71x = 11,291,436.15
5. Step 5: Solve for x
   x = 11,291,436.15/3,820.71
6. Step 6: Final answer
   x = 2,955.32