Finding the Fourth Proportional to 3,573.12, 5,359.52 and 976.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,573.12 : 5,359.52 = 976.05 : x
2. Step 2: Convert to fraction form
   3,573.12/5,359.52 = 976.05/x
3. Step 3: Cross multiply
   3,573.12x = 5,359.52 × 976.05
4. Step 4: Simplify right side
   3,573.12x = 5,231,154.62
5. Step 5: Solve for x
   x = 5,231,154.62/3,573.12
6. Step 6: Final answer
   x = 1,464.03