Finding the Fourth Proportional to 1,605.05, 2,214.88 and 942.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,605.05 : 2,214.88 = 942.27 : x
2. Step 2: Convert to fraction form
   1,605.05/2,214.88 = 942.27/x
3. Step 3: Cross multiply
   1,605.05x = 2,214.88 × 942.27
4. Step 4: Simplify right side
   1,605.05x = 2,087,004.32
5. Step 5: Solve for x
   x = 2,087,004.32/1,605.05
6. Step 6: Final answer
   x = 1,300.27