Finding the Fourth Proportional to 1,141.34, 1,575.31 and 954.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,141.34 : 1,575.31 = 954.50 : x
2. Step 2: Convert to fraction form
   1,141.34/1,575.31 = 954.50/x
3. Step 3: Cross multiply
   1,141.34x = 1,575.31 × 954.50
4. Step 4: Simplify right side
   1,141.34x = 1,503,634.95
5. Step 5: Solve for x
   x = 1,503,634.95/1,141.34
6. Step 6: Final answer
   x = 1,317.44