Finding the Fourth Proportional to 10,182.65, 15,272.78 and 3,942.11

Step by Step Solution

1. Step 1: Write the proportion equation
   10,182.65 : 15,272.78 = 3,942.11 : x
2. Step 2: Convert to fraction form
   10,182.65/15,272.78 = 3,942.11/x
3. Step 3: Cross multiply
   10,182.65x = 15,272.78 × 3,942.11
4. Step 4: Simplify right side
   10,182.65x = 60,206,978.77
5. Step 5: Solve for x
   x = 60,206,978.77/10,182.65
6. Step 6: Final answer
   x = 5,912.70