Finding the Fourth Proportional to 3,573.82, 5,360.82 and 976.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,573.82 : 5,360.82 = 976.78 : x
2. Step 2: Convert to fraction form
   3,573.82/5,360.82 = 976.78/x
3. Step 3: Cross multiply
   3,573.82x = 5,360.82 × 976.78
4. Step 4: Simplify right side
   3,573.82x = 5,236,341.76
5. Step 5: Solve for x
   x = 5,236,341.76/3,573.82
6. Step 6: Final answer
   x = 1,465.19