Finding the Fourth Proportional to 1,042.24, 1,552.72 and 976

Step by Step Solution

1. Step 1: Write the proportion equation
   1,042.24 : 1,552.72 = 976 : x
2. Step 2: Convert to fraction form
   1,042.24/1,552.72 = 976/x
3. Step 3: Cross multiply
   1,042.24x = 1,552.72 × 976
4. Step 4: Simplify right side
   1,042.24x = 1,515,454.72
5. Step 5: Solve for x
   x = 1,515,454.72/1,042.24
6. Step 6: Final answer
   x = 1,454.04