Finding the Fourth Proportional to 1,007.82, 1,511.72 and 954.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,007.82 : 1,511.72 = 954.51 : x
2. Step 2: Convert to fraction form
   1,007.82/1,511.72 = 954.51/x
3. Step 3: Cross multiply
   1,007.82x = 1,511.72 × 954.51
4. Step 4: Simplify right side
   1,007.82x = 1,442,945.00
5. Step 5: Solve for x
   x = 1,442,945.00/1,007.82
6. Step 6: Final answer
   x = 1,431.75