Finding the Fourth Proportional to 3,820.24, 5,272.02 and 2,141.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,820.24 : 5,272.02 = 2,141.57 : x
2. Step 2: Convert to fraction form
   3,820.24/5,272.02 = 2,141.57/x
3. Step 3: Cross multiply
   3,820.24x = 5,272.02 × 2,141.57
4. Step 4: Simplify right side
   3,820.24x = 11,290,399.87
5. Step 5: Solve for x
   x = 11,290,399.87/3,820.24
6. Step 6: Final answer
   x = 2,955.42