Finding the Fourth Proportional to 3,915.69, 5,404.04 and 2,237.35

Step by Step Solution

1. Step 1: Write the proportion equation
   3,915.69 : 5,404.04 = 2,237.35 : x
2. Step 2: Convert to fraction form
   3,915.69/5,404.04 = 2,237.35/x
3. Step 3: Cross multiply
   3,915.69x = 5,404.04 × 2,237.35
4. Step 4: Simplify right side
   3,915.69x = 12,090,728.89
5. Step 5: Solve for x
   x = 12,090,728.89/3,915.69
6. Step 6: Final answer
   x = 3,087.76