Finding the Fourth Proportional to 1,306.05, 1,805.82 and 1,142.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,306.05 : 1,805.82 = 1,142.04 : x
2. Step 2: Convert to fraction form
   1,306.05/1,805.82 = 1,142.04/x
3. Step 3: Cross multiply
   1,306.05x = 1,805.82 × 1,142.04
4. Step 4: Simplify right side
   1,306.05x = 2,062,318.67
5. Step 5: Solve for x
   x = 2,062,318.67/1,306.05
6. Step 6: Final answer
   x = 1,579.05