Finding the Fourth Proportional to 1,058.42, 1,583.52 and 710.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,058.42 : 1,583.52 = 710.09 : x
2. Step 2: Convert to fraction form
   1,058.42/1,583.52 = 710.09/x
3. Step 3: Cross multiply
   1,058.42x = 1,583.52 × 710.09
4. Step 4: Simplify right side
   1,058.42x = 1,124,447.52
5. Step 5: Solve for x
   x = 1,124,447.52/1,058.42
6. Step 6: Final answer
   x = 1,062.39