Finding the Fourth Proportional to 2,710.60, 4,056.90 and 1,968.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,710.60 : 4,056.90 = 1,968.10 : x
2. Step 2: Convert to fraction form
   2,710.60/4,056.90 = 1,968.10/x
3. Step 3: Cross multiply
   2,710.60x = 4,056.90 × 1,968.10
4. Step 4: Simplify right side
   2,710.60x = 7,984,384.89
5. Step 5: Solve for x
   x = 7,984,384.89/2,710.60
6. Step 6: Final answer
   x = 2,945.62