Finding the Fourth Proportional to 1,142.69, 1,714.05 and 362.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142.69 : 1,714.05 = 362.70 : x
2. Step 2: Convert to fraction form
   1,142.69/1,714.05 = 362.70/x
3. Step 3: Cross multiply
   1,142.69x = 1,714.05 × 362.70
4. Step 4: Simplify right side
   1,142.69x = 621,685.94
5. Step 5: Solve for x
   x = 621,685.94/1,142.69
6. Step 6: Final answer
   x = 544.06