Finding the Fourth Proportional to 1,168.72, 1,745.51 and 1,058.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,168.72 : 1,745.51 = 1,058.82 : x
2. Step 2: Convert to fraction form
   1,168.72/1,745.51 = 1,058.82/x
3. Step 3: Cross multiply
   1,168.72x = 1,745.51 × 1,058.82
4. Step 4: Simplify right side
   1,168.72x = 1,848,166.88
5. Step 5: Solve for x
   x = 1,848,166.88/1,168.72
6. Step 6: Final answer
   x = 1,581.36