Finding the Fourth Proportional to 2,519.60, 3,762.42 and 2,058.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,519.60 : 3,762.42 = 2,058.30 : x
2. Step 2: Convert to fraction form
   2,519.60/3,762.42 = 2,058.30/x
3. Step 3: Cross multiply
   2,519.60x = 3,762.42 × 2,058.30
4. Step 4: Simplify right side
   2,519.60x = 7,744,189.09
5. Step 5: Solve for x
   x = 7,744,189.09/2,519.60
6. Step 6: Final answer
   x = 3,073.58