Finding the Fourth Proportional to 1,151.20, 1,588.17 and 951.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151.20 : 1,588.17 = 951.94 : x
2. Step 2: Convert to fraction form
   1,151.20/1,588.17 = 951.94/x
3. Step 3: Cross multiply
   1,151.20x = 1,588.17 × 951.94
4. Step 4: Simplify right side
   1,151.20x = 1,511,842.55
5. Step 5: Solve for x
   x = 1,511,842.55/1,151.20
6. Step 6: Final answer
   x = 1,313.28