Finding the Fourth Proportional to 2,866.86, 4,300.62 and 1,018.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,866.86 : 4,300.62 = 1,018.15 : x
2. Step 2: Convert to fraction form
   2,866.86/4,300.62 = 1,018.15/x
3. Step 3: Cross multiply
   2,866.86x = 4,300.62 × 1,018.15
4. Step 4: Simplify right side
   2,866.86x = 4,378,676.25
5. Step 5: Solve for x
   x = 4,378,676.25/2,866.86
6. Step 6: Final answer
   x = 1,527.34