Finding the Fourth Proportional to 1,747.00, 2,619.55 and 867.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,747.00 : 2,619.55 = 867.57 : x
2. Step 2: Convert to fraction form
   1,747.00/2,619.55 = 867.57/x
3. Step 3: Cross multiply
   1,747.00x = 2,619.55 × 867.57
4. Step 4: Simplify right side
   1,747.00x = 2,272,640.82
5. Step 5: Solve for x
   x = 2,272,640.82/1,747.00
6. Step 6: Final answer
   x = 1,300.88