Finding the Fourth Proportional to 1,609.72, 2,412.78 and 1,062.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,609.72 : 2,412.78 = 1,062.28 : x
2. Step 2: Convert to fraction form
   1,609.72/2,412.78 = 1,062.28/x
3. Step 3: Cross multiply
   1,609.72x = 2,412.78 × 1,062.28
4. Step 4: Simplify right side
   1,609.72x = 2,563,047.94
5. Step 5: Solve for x
   x = 2,563,047.94/1,609.72
6. Step 6: Final answer
   x = 1,592.23