Finding the Fourth Proportional to 3,840.69, 5,300.42 and 2,162.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,840.69 : 5,300.42 = 2,162.25 : x
2. Step 2: Convert to fraction form
   3,840.69/5,300.42 = 2,162.25/x
3. Step 3: Cross multiply
   3,840.69x = 5,300.42 × 2,162.25
4. Step 4: Simplify right side
   3,840.69x = 11,460,822.33
5. Step 5: Solve for x
   x = 11,460,822.33/3,840.69
6. Step 6: Final answer
   x = 2,984.05