Finding the Fourth Proportional to 2,335.23, 3,215.50 and 2,186.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,335.23 : 3,215.50 = 2,186.49 : x
2. Step 2: Convert to fraction form
   2,335.23/3,215.50 = 2,186.49/x
3. Step 3: Cross multiply
   2,335.23x = 3,215.50 × 2,186.49
4. Step 4: Simplify right side
   2,335.23x = 7,030,665.19
5. Step 5: Solve for x
   x = 7,030,665.19/2,335.23
6. Step 6: Final answer
   x = 3,010.69