Finding the Fourth Proportional to 2,058.77, 2,841.30 and 1,174.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,058.77 : 2,841.30 = 1,174.86 : x
2. Step 2: Convert to fraction form
   2,058.77/2,841.30 = 1,174.86/x
3. Step 3: Cross multiply
   2,058.77x = 2,841.30 × 1,174.86
4. Step 4: Simplify right side
   2,058.77x = 3,338,129.72
5. Step 5: Solve for x
   x = 3,338,129.72/2,058.77
6. Step 6: Final answer
   x = 1,621.42