Finding the Fourth Proportional to 2,097.76, 3,147.49 and 1,058.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,097.76 : 3,147.49 = 1,058.06 : x
2. Step 2: Convert to fraction form
   2,097.76/3,147.49 = 1,058.06/x
3. Step 3: Cross multiply
   2,097.76x = 3,147.49 × 1,058.06
4. Step 4: Simplify right side
   2,097.76x = 3,330,242.46
5. Step 5: Solve for x
   x = 3,330,242.46/2,097.76
6. Step 6: Final answer
   x = 1,587.52