Finding the Fourth Proportional to 3,915.73, 5,865.77 and 2,354.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,915.73 : 5,865.77 = 2,354.88 : x
2. Step 2: Convert to fraction form
   3,915.73/5,865.77 = 2,354.88/x
3. Step 3: Cross multiply
   3,915.73x = 5,865.77 × 2,354.88
4. Step 4: Simplify right side
   3,915.73x = 13,813,150.69
5. Step 5: Solve for x
   x = 13,813,150.69/3,915.73
6. Step 6: Final answer
   x = 3,527.60