Finding the Fourth Proportional to 2,377.35, 3,286.17 and 2,196.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,377.35 : 3,286.17 = 2,196.72 : x
2. Step 2: Convert to fraction form
   2,377.35/3,286.17 = 2,196.72/x
3. Step 3: Cross multiply
   2,377.35x = 3,286.17 × 2,196.72
4. Step 4: Simplify right side
   2,377.35x = 7,218,795.36
5. Step 5: Solve for x
   x = 7,218,795.36/2,377.35
6. Step 6: Final answer
   x = 3,036.49