Finding the Fourth Proportional to 1,982.95, 2,973.59 and 1,058.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,982.95 : 2,973.59 = 1,058.31 : x
2. Step 2: Convert to fraction form
   1,982.95/2,973.59 = 1,058.31/x
3. Step 3: Cross multiply
   1,982.95x = 2,973.59 × 1,058.31
4. Step 4: Simplify right side
   1,982.95x = 3,146,974.74
5. Step 5: Solve for x
   x = 3,146,974.74/1,982.95
6. Step 6: Final answer
   x = 1,587.02