Finding the Fourth Proportional to 2,058.69, 2,840.58 and 1,174.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,058.69 : 2,840.58 = 1,174.35 : x
2. Step 2: Convert to fraction form
   2,058.69/2,840.58 = 1,174.35/x
3. Step 3: Cross multiply
   2,058.69x = 2,840.58 × 1,174.35
4. Step 4: Simplify right side
   2,058.69x = 3,335,835.12
5. Step 5: Solve for x
   x = 3,335,835.12/2,058.69
6. Step 6: Final answer
   x = 1,620.37