Finding the Fourth Proportional to 1,605.34, 2,403.42 and 1,196.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,605.34 : 2,403.42 = 1,196.38 : x
2. Step 2: Convert to fraction form
   1,605.34/2,403.42 = 1,196.38/x
3. Step 3: Cross multiply
   1,605.34x = 2,403.42 × 1,196.38
4. Step 4: Simplify right side
   1,605.34x = 2,875,403.62
5. Step 5: Solve for x
   x = 2,875,403.62/1,605.34
6. Step 6: Final answer
   x = 1,791.15