Finding the Fourth Proportional to 10,190.91, 15,283.34 and 3,949.53

Step by Step Solution

1. Step 1: Write the proportion equation
   10,190.91 : 15,283.34 = 3,949.53 : x
2. Step 2: Convert to fraction form
   10,190.91/15,283.34 = 3,949.53/x
3. Step 3: Cross multiply
   10,190.91x = 15,283.34 × 3,949.53
4. Step 4: Simplify right side
   10,190.91x = 60,362,009.83
5. Step 5: Solve for x
   x = 60,362,009.83/10,190.91
6. Step 6: Final answer
   x = 5,923.12