Finding the Fourth Proportional to 2,077.01, 2,866.26 and 1,145.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.01 : 2,866.26 = 1,145.51 : x
2. Step 2: Convert to fraction form
   2,077.01/2,866.26 = 1,145.51/x
3. Step 3: Cross multiply
   2,077.01x = 2,866.26 × 1,145.51
4. Step 4: Simplify right side
   2,077.01x = 3,283,323.77
5. Step 5: Solve for x
   x = 3,283,323.77/2,077.01
6. Step 6: Final answer
   x = 1,580.79