Finding the Fourth Proportional to 3,573.37, 5,359.89 and 976.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,573.37 : 5,359.89 = 976.30 : x
2. Step 2: Convert to fraction form
   3,573.37/5,359.89 = 976.30/x
3. Step 3: Cross multiply
   3,573.37x = 5,359.89 × 976.30
4. Step 4: Simplify right side
   3,573.37x = 5,232,860.61
5. Step 5: Solve for x
   x = 5,232,860.61/3,573.37
6. Step 6: Final answer
   x = 1,464.40