Finding the Fourth Proportional to 2,017.27, 2,784.83 and 1,272.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,017.27 : 2,784.83 = 1,272.38 : x
2. Step 2: Convert to fraction form
   2,017.27/2,784.83 = 1,272.38/x
3. Step 3: Cross multiply
   2,017.27x = 2,784.83 × 1,272.38
4. Step 4: Simplify right side
   2,017.27x = 3,543,362.00
5. Step 5: Solve for x
   x = 3,543,362.00/2,017.27
6. Step 6: Final answer
   x = 1,756.51