Finding the Fourth Proportional to 3,636.54, 5,018.01 and 2,042.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,636.54 : 5,018.01 = 2,042.86 : x
2. Step 2: Convert to fraction form
   3,636.54/5,018.01 = 2,042.86/x
3. Step 3: Cross multiply
   3,636.54x = 5,018.01 × 2,042.86
4. Step 4: Simplify right side
   3,636.54x = 10,251,091.91
5. Step 5: Solve for x
   x = 10,251,091.91/3,636.54
6. Step 6: Final answer
   x = 2,818.91