Finding the Fourth Proportional to 1,609.01, 2,219.89 and 1,019.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,609.01 : 2,219.89 = 1,019.46 : x
2. Step 2: Convert to fraction form
   1,609.01/2,219.89 = 1,019.46/x
3. Step 3: Cross multiply
   1,609.01x = 2,219.89 × 1,019.46
4. Step 4: Simplify right side
   1,609.01x = 2,263,089.06
5. Step 5: Solve for x
   x = 2,263,089.06/1,609.01
6. Step 6: Final answer
   x = 1,406.51