Finding the Fourth Proportional to 3,840.67, 5,300.64 and 2,162.41

Step by Step Solution

1. Step 1: Write the proportion equation
   3,840.67 : 5,300.64 = 2,162.41 : x
2. Step 2: Convert to fraction form
   3,840.67/5,300.64 = 2,162.41/x
3. Step 3: Cross multiply
   3,840.67x = 5,300.64 × 2,162.41
4. Step 4: Simplify right side
   3,840.67x = 11,462,156.94
5. Step 5: Solve for x
   x = 11,462,156.94/3,840.67
6. Step 6: Final answer
   x = 2,984.42