Finding the Fourth Proportional to 4,127.54, 5,697.69 and 2,870.42

Step by Step Solution

1. Step 1: Write the proportion equation
   4,127.54 : 5,697.69 = 2,870.42 : x
2. Step 2: Convert to fraction form
   4,127.54/5,697.69 = 2,870.42/x
3. Step 3: Cross multiply
   4,127.54x = 5,697.69 × 2,870.42
4. Step 4: Simplify right side
   4,127.54x = 16,354,763.33
5. Step 5: Solve for x
   x = 16,354,763.33/4,127.54
6. Step 6: Final answer
   x = 3,962.35