Finding the Fourth Proportional to 2,518.50, 3,778.29 and 1,058.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,518.50 : 3,778.29 = 1,058.88 : x
2. Step 2: Convert to fraction form
   2,518.50/3,778.29 = 1,058.88/x
3. Step 3: Cross multiply
   2,518.50x = 3,778.29 × 1,058.88
4. Step 4: Simplify right side
   2,518.50x = 4,000,755.72
5. Step 5: Solve for x
   x = 4,000,755.72/2,518.50
6. Step 6: Final answer
   x = 1,588.55