Finding the Fourth Proportional to 16,770.72, 23,136.28 and 10,395.64

Step by Step Solution

1. Step 1: Write the proportion equation
   16,770.72 : 23,136.28 = 10,395.64 : x
2. Step 2: Convert to fraction form
   16,770.72/23,136.28 = 10,395.64/x
3. Step 3: Cross multiply
   16,770.72x = 23,136.28 × 10,395.64
4. Step 4: Simplify right side
   16,770.72x = 240,516,437.82
5. Step 5: Solve for x
   x = 240,516,437.82/16,770.72
6. Step 6: Final answer
   x = 14,341.45