Finding the Fourth Proportional to 10,508.18, 15,745.86 and 4,960.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,508.18 : 15,745.86 = 4,960.49 : x
2. Step 2: Convert to fraction form
   10,508.18/15,745.86 = 4,960.49/x
3. Step 3: Cross multiply
   10,508.18x = 15,745.86 × 4,960.49
4. Step 4: Simplify right side
   10,508.18x = 78,107,102.34
5. Step 5: Solve for x
   x = 78,107,102.34/10,508.18
6. Step 6: Final answer
   x = 7,432.98