Finding the Fourth Proportional to 2,995.20, 4,493.52 and 1,047.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,995.20 : 4,493.52 = 1,047.60 : x
2. Step 2: Convert to fraction form
   2,995.20/4,493.52 = 1,047.60/x
3. Step 3: Cross multiply
   2,995.20x = 4,493.52 × 1,047.60
4. Step 4: Simplify right side
   2,995.20x = 4,707,411.55
5. Step 5: Solve for x
   x = 4,707,411.55/2,995.20
6. Step 6: Final answer
   x = 1,571.65