Finding the Fourth Proportional to 2,035.86, 3,054.58 and 866.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,035.86 : 3,054.58 = 866.12 : x
2. Step 2: Convert to fraction form
   2,035.86/3,054.58 = 866.12/x
3. Step 3: Cross multiply
   2,035.86x = 3,054.58 × 866.12
4. Step 4: Simplify right side
   2,035.86x = 2,645,632.83
5. Step 5: Solve for x
   x = 2,645,632.83/2,035.86
6. Step 6: Final answer
   x = 1,299.52