Finding the Fourth Proportional to 2,037.86, 3,057.58 and 868.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,037.86 : 3,057.58 = 868.12 : x
2. Step 2: Convert to fraction form
   2,037.86/3,057.58 = 868.12/x
3. Step 3: Cross multiply
   2,037.86x = 3,057.58 × 868.12
4. Step 4: Simplify right side
   2,037.86x = 2,654,346.35
5. Step 5: Solve for x
   x = 2,654,346.35/2,037.86
6. Step 6: Final answer
   x = 1,302.52