Finding the Fourth Proportional to 3,824.31, 5,277.52 and 2,145.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,824.31 : 5,277.52 = 2,145.71 : x
2. Step 2: Convert to fraction form
   3,824.31/5,277.52 = 2,145.71/x
3. Step 3: Cross multiply
   3,824.31x = 5,277.52 × 2,145.71
4. Step 4: Simplify right side
   3,824.31x = 11,324,019.10
5. Step 5: Solve for x
   x = 11,324,019.10/3,824.31
6. Step 6: Final answer
   x = 2,961.06