Finding the Fourth Proportional to 1,829.64, 2,524.72 and 1,240.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,829.64 : 2,524.72 = 1,240.40 : x
2. Step 2: Convert to fraction form
   1,829.64/2,524.72 = 1,240.40/x
3. Step 3: Cross multiply
   1,829.64x = 2,524.72 × 1,240.40
4. Step 4: Simplify right side
   1,829.64x = 3,131,662.69
5. Step 5: Solve for x
   x = 3,131,662.69/1,829.64
6. Step 6: Final answer
   x = 1,711.63