Finding the Fourth Proportional to 2,077.81, 3,116.88 and 1,036.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.81 : 3,116.88 = 1,036.76 : x
2. Step 2: Convert to fraction form
   2,077.81/3,116.88 = 1,036.76/x
3. Step 3: Cross multiply
   2,077.81x = 3,116.88 × 1,036.76
4. Step 4: Simplify right side
   2,077.81x = 3,231,440.92
5. Step 5: Solve for x
   x = 3,231,440.92/2,077.81
6. Step 6: Final answer
   x = 1,555.22