Finding the Fourth Proportional to 1,581.32, 2,182.28 and 951.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,581.32 : 2,182.28 = 951.82 : x
2. Step 2: Convert to fraction form
   1,581.32/2,182.28 = 951.82/x
3. Step 3: Cross multiply
   1,581.32x = 2,182.28 × 951.82
4. Step 4: Simplify right side
   1,581.32x = 2,077,127.53
5. Step 5: Solve for x
   x = 2,077,127.53/1,581.32
6. Step 6: Final answer
   x = 1,313.54