Finding the Fourth Proportional to 2,114.30, 3,171.94 and 727.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,114.30 : 3,171.94 = 727.63 : x
2. Step 2: Convert to fraction form
   2,114.30/3,171.94 = 727.63/x
3. Step 3: Cross multiply
   2,114.30x = 3,171.94 × 727.63
4. Step 4: Simplify right side
   2,114.30x = 2,307,988.95
5. Step 5: Solve for x
   x = 2,307,988.95/2,114.30
6. Step 6: Final answer
   x = 1,091.61