Finding the Fourth Proportional to 3,315.94, 4,973.60 and 1,124.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,315.94 : 4,973.60 = 1,124.56 : x
2. Step 2: Convert to fraction form
   3,315.94/4,973.60 = 1,124.56/x
3. Step 3: Cross multiply
   3,315.94x = 4,973.60 × 1,124.56
4. Step 4: Simplify right side
   3,315.94x = 5,593,111.62
5. Step 5: Solve for x
   x = 5,593,111.62/3,315.94
6. Step 6: Final answer
   x = 1,686.73