Finding the Fourth Proportional to 16,099.60, 24,156.24 and 10,267.60

Step by Step Solution

1. Step 1: Write the proportion equation
   16,099.60 : 24,156.24 = 10,267.60 : x
2. Step 2: Convert to fraction form
   16,099.60/24,156.24 = 10,267.60/x
3. Step 3: Cross multiply
   16,099.60x = 24,156.24 × 10,267.60
4. Step 4: Simplify right side
   16,099.60x = 248,026,609.82
5. Step 5: Solve for x
   x = 248,026,609.82/16,099.60
6. Step 6: Final answer
   x = 15,405.76