Finding the Fourth Proportional to 4,611.89, 6,362.59 and 2,840.42

Step by Step Solution

1. Step 1: Write the proportion equation
   4,611.89 : 6,362.59 = 2,840.42 : x
2. Step 2: Convert to fraction form
   4,611.89/6,362.59 = 2,840.42/x
3. Step 3: Cross multiply
   4,611.89x = 6,362.59 × 2,840.42
4. Step 4: Simplify right side
   4,611.89x = 18,072,427.89
5. Step 5: Solve for x
   x = 18,072,427.89/4,611.89
6. Step 6: Final answer
   x = 3,918.66