Finding the Fourth Proportional to 3,632.31, 5,010.93 and 2,139.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,632.31 : 5,010.93 = 2,139.30 : x
2. Step 2: Convert to fraction form
   3,632.31/5,010.93 = 2,139.30/x
3. Step 3: Cross multiply
   3,632.31x = 5,010.93 × 2,139.30
4. Step 4: Simplify right side
   3,632.31x = 10,719,882.55
5. Step 5: Solve for x
   x = 10,719,882.55/3,632.31
6. Step 6: Final answer
   x = 2,951.26