Finding the Fourth Proportional to 10,510.62, 15,768.28 and 3,936.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,510.62 : 15,768.28 = 3,936.86 : x
2. Step 2: Convert to fraction form
   10,510.62/15,768.28 = 3,936.86/x
3. Step 3: Cross multiply
   10,510.62x = 15,768.28 × 3,936.86
4. Step 4: Simplify right side
   10,510.62x = 62,077,510.80
5. Step 5: Solve for x
   x = 62,077,510.80/10,510.62
6. Step 6: Final answer
   x = 5,906.17