Finding the Fourth Proportional to 1,155.51, 1,733.27 and 289.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155.51 : 1,733.27 = 289.82 : x
2. Step 2: Convert to fraction form
   1,155.51/1,733.27 = 289.82/x
3. Step 3: Cross multiply
   1,155.51x = 1,733.27 × 289.82
4. Step 4: Simplify right side
   1,155.51x = 502,336.31
5. Step 5: Solve for x
   x = 502,336.31/1,155.51
6. Step 6: Final answer
   x = 434.73