Finding the Fourth Proportional to 16,188.84, 24,273.54 and 10,978.92

Step by Step Solution

1. Step 1: Write the proportion equation
   16,188.84 : 24,273.54 = 10,978.92 : x
2. Step 2: Convert to fraction form
   16,188.84/24,273.54 = 10,978.92/x
3. Step 3: Cross multiply
   16,188.84x = 24,273.54 × 10,978.92
4. Step 4: Simplify right side
   16,188.84x = 266,497,253.78
5. Step 5: Solve for x
   x = 266,497,253.78/16,188.84
6. Step 6: Final answer
   x = 16,461.79