Finding the Fourth Proportional to 2,077.32, 2,866.70 and 1,145.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.32 : 2,866.70 = 1,145.82 : x
2. Step 2: Convert to fraction form
   2,077.32/2,866.70 = 1,145.82/x
3. Step 3: Cross multiply
   2,077.32x = 2,866.70 × 1,145.82
4. Step 4: Simplify right side
   2,077.32x = 3,284,716.46
5. Step 5: Solve for x
   x = 3,284,716.46/2,077.32
6. Step 6: Final answer
   x = 1,581.23