Finding the Fourth Proportional to 2,083.74, 3,126.57 and 1,058.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,083.74 : 3,126.57 = 1,058.46 : x
2. Step 2: Convert to fraction form
   2,083.74/3,126.57 = 1,058.46/x
3. Step 3: Cross multiply
   2,083.74x = 3,126.57 × 1,058.46
4. Step 4: Simplify right side
   2,083.74x = 3,309,349.28
5. Step 5: Solve for x
   x = 3,309,349.28/2,083.74
6. Step 6: Final answer
   x = 1,588.18