Finding the Fourth Proportional to 2,517.94, 3,777.18 and 1,056.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,517.94 : 3,777.18 = 1,056.16 : x
2. Step 2: Convert to fraction form
   2,517.94/3,777.18 = 1,056.16/x
3. Step 3: Cross multiply
   2,517.94x = 3,777.18 × 1,056.16
4. Step 4: Simplify right side
   2,517.94x = 3,989,306.43
5. Step 5: Solve for x
   x = 3,989,306.43/2,517.94
6. Step 6: Final answer
   x = 1,584.35