Finding the Fourth Proportional to 7,360.72, 10,155.20 and 4,173.54

Step by Step Solution

1. Step 1: Write the proportion equation
   7,360.72 : 10,155.20 = 4,173.54 : x
2. Step 2: Convert to fraction form
   7,360.72/10,155.20 = 4,173.54/x
3. Step 3: Cross multiply
   7,360.72x = 10,155.20 × 4,173.54
4. Step 4: Simplify right side
   7,360.72x = 42,383,133.41
5. Step 5: Solve for x
   x = 42,383,133.41/7,360.72
6. Step 6: Final answer
   x = 5,758.01