Finding the Fourth Proportional to 1,058.87, 1,585.57 and 730.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,058.87 : 1,585.57 = 730.82 : x
2. Step 2: Convert to fraction form
   1,058.87/1,585.57 = 730.82/x
3. Step 3: Cross multiply
   1,058.87x = 1,585.57 × 730.82
4. Step 4: Simplify right side
   1,058.87x = 1,158,766.27
5. Step 5: Solve for x
   x = 1,158,766.27/1,058.87
6. Step 6: Final answer
   x = 1,094.34