Finding the Fourth Proportional to 2,518.56, 3,777.30 and 958.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,518.56 : 3,777.30 = 958.50 : x
2. Step 2: Convert to fraction form
   2,518.56/3,777.30 = 958.50/x
3. Step 3: Cross multiply
   2,518.56x = 3,777.30 × 958.50
4. Step 4: Simplify right side
   2,518.56x = 3,620,542.05
5. Step 5: Solve for x
   x = 3,620,542.05/2,518.56
6. Step 6: Final answer
   x = 1,437.54