Finding the Fourth Proportional to 1,523.48, 2,283.72 and 656.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,523.48 : 2,283.72 = 656.72 : x
2. Step 2: Convert to fraction form
   1,523.48/2,283.72 = 656.72/x
3. Step 3: Cross multiply
   1,523.48x = 2,283.72 × 656.72
4. Step 4: Simplify right side
   1,523.48x = 1,499,764.60
5. Step 5: Solve for x
   x = 1,499,764.60/1,523.48
6. Step 6: Final answer
   x = 984.43