Finding the Fourth Proportional to 2,029.87, 2,801.17 and 1,145.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,029.87 : 2,801.17 = 1,145.69 : x
2. Step 2: Convert to fraction form
   2,029.87/2,801.17 = 1,145.69/x
3. Step 3: Cross multiply
   2,029.87x = 2,801.17 × 1,145.69
4. Step 4: Simplify right side
   2,029.87x = 3,209,255.59
5. Step 5: Solve for x
   x = 3,209,255.59/2,029.87
6. Step 6: Final answer
   x = 1,581.02