Finding the Fourth Proportional to 1,282.42, 1,765.15 and 1,095.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,282.42 : 1,765.15 = 1,095.31 : x
2. Step 2: Convert to fraction form
   1,282.42/1,765.15 = 1,095.31/x
3. Step 3: Cross multiply
   1,282.42x = 1,765.15 × 1,095.31
4. Step 4: Simplify right side
   1,282.42x = 1,933,386.45
5. Step 5: Solve for x
   x = 1,933,386.45/1,282.42
6. Step 6: Final answer
   x = 1,507.61