Finding the Fourth Proportional to 2,034.46, 2,807.53 and 1,288.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,034.46 : 2,807.53 = 1,288.18 : x
2. Step 2: Convert to fraction form
   2,034.46/2,807.53 = 1,288.18/x
3. Step 3: Cross multiply
   2,034.46x = 2,807.53 × 1,288.18
4. Step 4: Simplify right side
   2,034.46x = 3,616,604.00
5. Step 5: Solve for x
   x = 3,616,604.00/2,034.46
6. Step 6: Final answer
   x = 1,777.67