Finding the Fourth Proportional to 2,159.36, 3,238.73 and 698.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,159.36 : 3,238.73 = 698.52 : x
2. Step 2: Convert to fraction form
   2,159.36/3,238.73 = 698.52/x
3. Step 3: Cross multiply
   2,159.36x = 3,238.73 × 698.52
4. Step 4: Simplify right side
   2,159.36x = 2,262,314.19
5. Step 5: Solve for x
   x = 2,262,314.19/2,159.36
6. Step 6: Final answer
   x = 1,047.68