Finding the Fourth Proportional to 3,573.48, 4,931.24 and 2,081.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,573.48 : 4,931.24 = 2,081.20 : x
2. Step 2: Convert to fraction form
   3,573.48/4,931.24 = 2,081.20/x
3. Step 3: Cross multiply
   3,573.48x = 4,931.24 × 2,081.20
4. Step 4: Simplify right side
   3,573.48x = 10,262,896.69
5. Step 5: Solve for x
   x = 10,262,896.69/3,573.48
6. Step 6: Final answer
   x = 2,871.96