Finding the Fourth Proportional to 1,608.62, 2,219.72 and 1,010.97

Step by Step Solution

1. Step 1: Write the proportion equation
   1,608.62 : 2,219.72 = 1,010.97 : x
2. Step 2: Convert to fraction form
   1,608.62/2,219.72 = 1,010.97/x
3. Step 3: Cross multiply
   1,608.62x = 2,219.72 × 1,010.97
4. Step 4: Simplify right side
   1,608.62x = 2,244,065.27
5. Step 5: Solve for x
   x = 2,244,065.27/1,608.62
6. Step 6: Final answer
   x = 1,395.03