Finding the Fourth Proportional to 2,529.55, 3,791.72 and 969.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,529.55 : 3,791.72 = 969.13 : x
2. Step 2: Convert to fraction form
   2,529.55/3,791.72 = 969.13/x
3. Step 3: Cross multiply
   2,529.55x = 3,791.72 × 969.13
4. Step 4: Simplify right side
   2,529.55x = 3,674,662.55
5. Step 5: Solve for x
   x = 3,674,662.55/2,529.55
6. Step 6: Final answer
   x = 1,452.70