Finding the Fourth Proportional to 3,315.42, 4,972.59 and 1,124.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,315.42 : 4,972.59 = 1,124.10 : x
2. Step 2: Convert to fraction form
   3,315.42/4,972.59 = 1,124.10/x
3. Step 3: Cross multiply
   3,315.42x = 4,972.59 × 1,124.10
4. Step 4: Simplify right side
   3,315.42x = 5,589,688.42
5. Step 5: Solve for x
   x = 5,589,688.42/3,315.42
6. Step 6: Final answer
   x = 1,685.97