Finding the Fourth Proportional to 2,284.86, 3,423.42 and 1,242.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,284.86 : 3,423.42 = 1,242.48 : x
2. Step 2: Convert to fraction form
   2,284.86/3,423.42 = 1,242.48/x
3. Step 3: Cross multiply
   2,284.86x = 3,423.42 × 1,242.48
4. Step 4: Simplify right side
   2,284.86x = 4,253,530.88
5. Step 5: Solve for x
   x = 4,253,530.88/2,284.86
6. Step 6: Final answer
   x = 1,861.62