Finding the Fourth Proportional to 3,150.60, 4,722.71 and 1,069.92

Step by Step Solution

1. Step 1: Write the proportion equation
   3,150.60 : 4,722.71 = 1,069.92 : x
2. Step 2: Convert to fraction form
   3,150.60/4,722.71 = 1,069.92/x
3. Step 3: Cross multiply
   3,150.60x = 4,722.71 × 1,069.92
4. Step 4: Simplify right side
   3,150.60x = 5,052,916.53
5. Step 5: Solve for x
   x = 5,052,916.53/3,150.60
6. Step 6: Final answer
   x = 1,603.80