Finding the Fourth Proportional to 2,029.62, 2,800.94 and 1,145.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,029.62 : 2,800.94 = 1,145.46 : x
2. Step 2: Convert to fraction form
   2,029.62/2,800.94 = 1,145.46/x
3. Step 3: Cross multiply
   2,029.62x = 2,800.94 × 1,145.46
4. Step 4: Simplify right side
   2,029.62x = 3,208,364.73
5. Step 5: Solve for x
   x = 3,208,364.73/2,029.62
6. Step 6: Final answer
   x = 1,580.77