Finding the Fourth Proportional to 3,141.78, 4,713.57 and 1,194.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,141.78 : 4,713.57 = 1,194.18 : x
2. Step 2: Convert to fraction form
   3,141.78/4,713.57 = 1,194.18/x
3. Step 3: Cross multiply
   3,141.78x = 4,713.57 × 1,194.18
4. Step 4: Simplify right side
   3,141.78x = 5,628,851.02
5. Step 5: Solve for x
   x = 5,628,851.02/3,141.78
6. Step 6: Final answer
   x = 1,791.61