Finding the Fourth Proportional to 1,510.10, 2,262.10 and 960.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,510.10 : 2,262.10 = 960.31 : x
2. Step 2: Convert to fraction form
   1,510.10/2,262.10 = 960.31/x
3. Step 3: Cross multiply
   1,510.10x = 2,262.10 × 960.31
4. Step 4: Simplify right side
   1,510.10x = 2,172,309.19
5. Step 5: Solve for x
   x = 2,172,309.19/1,510.10
6. Step 6: Final answer
   x = 1,438.52