Finding the Fourth Proportional to 2,700.77, 4,048.52 and 1,314.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,700.77 : 4,048.52 = 1,314.05 : x
2. Step 2: Convert to fraction form
   2,700.77/4,048.52 = 1,314.05/x
3. Step 3: Cross multiply
   2,700.77x = 4,048.52 × 1,314.05
4. Step 4: Simplify right side
   2,700.77x = 5,319,930.89
5. Step 5: Solve for x
   x = 5,319,930.89/2,700.77
6. Step 6: Final answer
   x = 1,969.79