Finding the Fourth Proportional to 2,077.13, 2,866.50 and 1,145.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.13 : 2,866.50 = 1,145.63 : x
2. Step 2: Convert to fraction form
   2,077.13/2,866.50 = 1,145.63/x
3. Step 3: Cross multiply
   2,077.13x = 2,866.50 × 1,145.63
4. Step 4: Simplify right side
   2,077.13x = 3,283,934.06
5. Step 5: Solve for x
   x = 3,283,934.06/2,077.13
6. Step 6: Final answer
   x = 1,581.00