Finding the Fourth Proportional to 1,058.76, 1,460.31 and 727.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,058.76 : 1,460.31 = 727.20 : x
2. Step 2: Convert to fraction form
   1,058.76/1,460.31 = 727.20/x
3. Step 3: Cross multiply
   1,058.76x = 1,460.31 × 727.20
4. Step 4: Simplify right side
   1,058.76x = 1,061,937.43
5. Step 5: Solve for x
   x = 1,061,937.43/1,058.76
6. Step 6: Final answer
   x = 1,003.00