Finding the Fourth Proportional to 7,112.49, 9,812.52 and 4,127.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,112.49 : 9,812.52 = 4,127.82 : x
2. Step 2: Convert to fraction form
   7,112.49/9,812.52 = 4,127.82/x
3. Step 3: Cross multiply
   7,112.49x = 9,812.52 × 4,127.82
4. Step 4: Simplify right side
   7,112.49x = 40,504,316.31
5. Step 5: Solve for x
   x = 40,504,316.31/7,112.49
6. Step 6: Final answer
   x = 5,694.82