Finding the Fourth Proportional to 2,204.37, 3,290.78 and 2,127.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,204.37 : 3,290.78 = 2,127.42 : x
2. Step 2: Convert to fraction form
   2,204.37/3,290.78 = 2,127.42/x
3. Step 3: Cross multiply
   2,204.37x = 3,290.78 × 2,127.42
4. Step 4: Simplify right side
   2,204.37x = 7,000,876.51
5. Step 5: Solve for x
   x = 7,000,876.51/2,204.37
6. Step 6: Final answer
   x = 3,175.91