Finding the Fourth Proportional to 2,940.48, 4,059.68 and 2,054.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,940.48 : 4,059.68 = 2,054.72 : x
2. Step 2: Convert to fraction form
   2,940.48/4,059.68 = 2,054.72/x
3. Step 3: Cross multiply
   2,940.48x = 4,059.68 × 2,054.72
4. Step 4: Simplify right side
   2,940.48x = 8,341,505.69
5. Step 5: Solve for x
   x = 8,341,505.69/2,940.48
6. Step 6: Final answer
   x = 2,836.78