Finding the Fourth Proportional to 2,777.16, 4,162.83 and 1,314.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,777.16 : 4,162.83 = 1,314.57 : x
2. Step 2: Convert to fraction form
   2,777.16/4,162.83 = 1,314.57/x
3. Step 3: Cross multiply
   2,777.16x = 4,162.83 × 1,314.57
4. Step 4: Simplify right side
   2,777.16x = 5,472,331.43
5. Step 5: Solve for x
   x = 5,472,331.43/2,777.16
6. Step 6: Final answer
   x = 1,970.48