Finding the Fourth Proportional to 10,978.54, 15,150.41 and 6,262.70

Step by Step Solution

1. Step 1: Write the proportion equation
   10,978.54 : 15,150.41 = 6,262.70 : x
2. Step 2: Convert to fraction form
   10,978.54/15,150.41 = 6,262.70/x
3. Step 3: Cross multiply
   10,978.54x = 15,150.41 × 6,262.70
4. Step 4: Simplify right side
   10,978.54x = 94,882,472.71
5. Step 5: Solve for x
   x = 94,882,472.71/10,978.54
6. Step 6: Final answer
   x = 8,642.54