Finding the Fourth Proportional to 2,281.86, 3,404.88 and 2,142.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,281.86 : 3,404.88 = 2,142.54 : x
2. Step 2: Convert to fraction form
   2,281.86/3,404.88 = 2,142.54/x
3. Step 3: Cross multiply
   2,281.86x = 3,404.88 × 2,142.54
4. Step 4: Simplify right side
   2,281.86x = 7,295,091.60
5. Step 5: Solve for x
   x = 7,295,091.60/2,281.86
6. Step 6: Final answer
   x = 3,196.99