Finding the Fourth Proportional to 3,915.84, 5,404.32 and 2,343.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,915.84 : 5,404.32 = 2,343.94 : x
2. Step 2: Convert to fraction form
   3,915.84/5,404.32 = 2,343.94/x
3. Step 3: Cross multiply
   3,915.84x = 5,404.32 × 2,343.94
4. Step 4: Simplify right side
   3,915.84x = 12,667,388.31
5. Step 5: Solve for x
   x = 12,667,388.31/3,915.84
6. Step 6: Final answer
   x = 3,234.91