Finding the Fourth Proportional to 1,942.59, 2,680.74 and 1,058.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,942.59 : 2,680.74 = 1,058.39 : x
2. Step 2: Convert to fraction form
   1,942.59/2,680.74 = 1,058.39/x
3. Step 3: Cross multiply
   1,942.59x = 2,680.74 × 1,058.39
4. Step 4: Simplify right side
   1,942.59x = 2,837,255.00
5. Step 5: Solve for x
   x = 2,837,255.00/1,942.59
6. Step 6: Final answer
   x = 1,460.55