Finding the Fourth Proportional to 7,200.72, 10,798.23 and 3,042.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,200.72 : 10,798.23 = 3,042.72 : x
2. Step 2: Convert to fraction form
   7,200.72/10,798.23 = 3,042.72/x
3. Step 3: Cross multiply
   7,200.72x = 10,798.23 × 3,042.72
4. Step 4: Simplify right side
   7,200.72x = 32,855,990.39
5. Step 5: Solve for x
   x = 32,855,990.39/7,200.72
6. Step 6: Final answer
   x = 4,562.88