Finding the Fourth Proportional to 1,159.51, 1,738.69 and 573.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,159.51 : 1,738.69 = 573.83 : x
2. Step 2: Convert to fraction form
   1,159.51/1,738.69 = 573.83/x
3. Step 3: Cross multiply
   1,159.51x = 1,738.69 × 573.83
4. Step 4: Simplify right side
   1,159.51x = 997,712.48
5. Step 5: Solve for x
   x = 997,712.48/1,159.51
6. Step 6: Final answer
   x = 860.46