Finding the Fourth Proportional to 10,513.56, 15,768.36 and 3,938.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,513.56 : 15,768.36 = 3,938.34 : x
2. Step 2: Convert to fraction form
   10,513.56/15,768.36 = 3,938.34/x
3. Step 3: Cross multiply
   10,513.56x = 15,768.36 × 3,938.34
4. Step 4: Simplify right side
   10,513.56x = 62,101,162.92
5. Step 5: Solve for x
   x = 62,101,162.92/10,513.56
6. Step 6: Final answer
   x = 5,906.77