Finding the Fourth Proportional to 1,984.56, 2,718.81 and 1,910.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,984.56 : 2,718.81 = 1,910.70 : x
2. Step 2: Convert to fraction form
   1,984.56/2,718.81 = 1,910.70/x
3. Step 3: Cross multiply
   1,984.56x = 2,718.81 × 1,910.70
4. Step 4: Simplify right side
   1,984.56x = 5,194,830.27
5. Step 5: Solve for x
   x = 5,194,830.27/1,984.56
6. Step 6: Final answer
   x = 2,617.62