Finding the Fourth Proportional to 2,958.27, 4,438.05 and 1,010.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,958.27 : 4,438.05 = 1,010.40 : x
2. Step 2: Convert to fraction form
   2,958.27/4,438.05 = 1,010.40/x
3. Step 3: Cross multiply
   2,958.27x = 4,438.05 × 1,010.40
4. Step 4: Simplify right side
   2,958.27x = 4,484,205.72
5. Step 5: Solve for x
   x = 4,484,205.72/2,958.27
6. Step 6: Final answer
   x = 1,515.82