Finding the Fourth Proportional to 2,914.48, 4,019.82 and 2,017.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,914.48 : 4,019.82 = 2,017.72 : x
2. Step 2: Convert to fraction form
   2,914.48/4,019.82 = 2,017.72/x
3. Step 3: Cross multiply
   2,914.48x = 4,019.82 × 2,017.72
4. Step 4: Simplify right side
   2,914.48x = 8,110,871.21
5. Step 5: Solve for x
   x = 8,110,871.21/2,914.48
6. Step 6: Final answer
   x = 2,782.96