Finding the Fourth Proportional to 2,331.82, 3,491.58 and 2,196.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,331.82 : 3,491.58 = 2,196.94 : x
2. Step 2: Convert to fraction form
   2,331.82/3,491.58 = 2,196.94/x
3. Step 3: Cross multiply
   2,331.82x = 3,491.58 × 2,196.94
4. Step 4: Simplify right side
   2,331.82x = 7,670,791.77
5. Step 5: Solve for x
   x = 7,670,791.77/2,331.82
6. Step 6: Final answer
   x = 3,289.62