Finding the Fourth Proportional to 2,912.50, 4,014.57 and 1,968.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,912.50 : 4,014.57 = 1,968.00 : x
2. Step 2: Convert to fraction form
   2,912.50/4,014.57 = 1,968.00/x
3. Step 3: Cross multiply
   2,912.50x = 4,014.57 × 1,968.00
4. Step 4: Simplify right side
   2,912.50x = 7,900,643.85
5. Step 5: Solve for x
   x = 7,900,643.85/2,912.50
6. Step 6: Final answer
   x = 2,712.67