Finding the Fourth Proportional to 10,672.78, 16,009.94 and 4,098.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,672.78 : 16,009.94 = 4,098.96 : x
2. Step 2: Convert to fraction form
   10,672.78/16,009.94 = 4,098.96/x
3. Step 3: Cross multiply
   10,672.78x = 16,009.94 × 4,098.96
4. Step 4: Simplify right side
   10,672.78x = 65,624,150.61
5. Step 5: Solve for x
   x = 65,624,150.61/10,672.78
6. Step 6: Final answer
   x = 6,148.74