Finding the Fourth Proportional to 3,127.79, 4,689.79 and 2,152.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,127.79 : 4,689.79 = 2,152.82 : x
2. Step 2: Convert to fraction form
   3,127.79/4,689.79 = 2,152.82/x
3. Step 3: Cross multiply
   3,127.79x = 4,689.79 × 2,152.82
4. Step 4: Simplify right side
   3,127.79x = 10,096,273.71
5. Step 5: Solve for x
   x = 10,096,273.71/3,127.79
6. Step 6: Final answer
   x = 3,227.93