Finding the Fourth Proportional to 2,703.71, 4,053.94 and 1,058.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,703.71 : 4,053.94 = 1,058.31 : x
2. Step 2: Convert to fraction form
   2,703.71/4,053.94 = 1,058.31/x
3. Step 3: Cross multiply
   2,703.71x = 4,053.94 × 1,058.31
4. Step 4: Simplify right side
   2,703.71x = 4,290,322.60
5. Step 5: Solve for x
   x = 4,290,322.60/2,703.71
6. Step 6: Final answer
   x = 1,586.83