Finding the Fourth Proportional to 3,049.86, 4,575.12 and 1,200.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,049.86 : 4,575.12 = 1,200.72 : x
2. Step 2: Convert to fraction form
   3,049.86/4,575.12 = 1,200.72/x
3. Step 3: Cross multiply
   3,049.86x = 4,575.12 × 1,200.72
4. Step 4: Simplify right side
   3,049.86x = 5,493,438.09
5. Step 5: Solve for x
   x = 5,493,438.09/3,049.86
6. Step 6: Final answer
   x = 1,801.21