Finding the Fourth Proportional to 10,948.38, 15,108.78 and 5,980.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,948.38 : 15,108.78 = 5,980.38 : x
2. Step 2: Convert to fraction form
   10,948.38/15,108.78 = 5,980.38/x
3. Step 3: Cross multiply
   10,948.38x = 15,108.78 × 5,980.38
4. Step 4: Simplify right side
   10,948.38x = 90,356,245.74
5. Step 5: Solve for x
   x = 90,356,245.74/10,948.38
6. Step 6: Final answer
   x = 8,252.93