Finding the Fourth Proportional to 3,550.86, 4,899.78 and 2,058.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,550.86 : 4,899.78 = 2,058.47 : x
2. Step 2: Convert to fraction form
   3,550.86/4,899.78 = 2,058.47/x
3. Step 3: Cross multiply
   3,550.86x = 4,899.78 × 2,058.47
4. Step 4: Simplify right side
   3,550.86x = 10,086,025.64
5. Step 5: Solve for x
   x = 10,086,025.64/3,550.86
6. Step 6: Final answer
   x = 2,840.45