Finding the Fourth Proportional to 2,058.39, 2,839.91 and 1,174.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,058.39 : 2,839.91 = 1,174.02 : x
2. Step 2: Convert to fraction form
   2,058.39/2,839.91 = 1,174.02/x
3. Step 3: Cross multiply
   2,058.39x = 2,839.91 × 1,174.02
4. Step 4: Simplify right side
   2,058.39x = 3,334,105.27
5. Step 5: Solve for x
   x = 3,334,105.27/2,058.39
6. Step 6: Final answer
   x = 1,619.76