Finding the Fourth Proportional to 1,548.12, 2,322.72 and 682.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,548.12 : 2,322.72 = 682.50 : x
2. Step 2: Convert to fraction form
   1,548.12/2,322.72 = 682.50/x
3. Step 3: Cross multiply
   1,548.12x = 2,322.72 × 682.50
4. Step 4: Simplify right side
   1,548.12x = 1,585,256.40
5. Step 5: Solve for x
   x = 1,585,256.40/1,548.12
6. Step 6: Final answer
   x = 1,023.99