Finding the Fourth Proportional to 1,131.57, 1,560 and 967.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131.57 : 1,560 = 967.53 : x
2. Step 2: Convert to fraction form
   1,131.57/1,560 = 967.53/x
3. Step 3: Cross multiply
   1,131.57x = 1,560 × 967.53
4. Step 4: Simplify right side
   1,131.57x = 1,509,346.80
5. Step 5: Solve for x
   x = 1,509,346.80/1,131.57
6. Step 6: Final answer
   x = 1,333.85