Finding the Fourth Proportional to 14,407.67, 21,687.89 and 10,276.27

Step by Step Solution

1. Step 1: Write the proportion equation
   14,407.67 : 21,687.89 = 10,276.27 : x
2. Step 2: Convert to fraction form
   14,407.67/21,687.89 = 10,276.27/x
3. Step 3: Cross multiply
   14,407.67x = 21,687.89 × 10,276.27
4. Step 4: Simplify right side
   14,407.67x = 222,870,507.77
5. Step 5: Solve for x
   x = 222,870,507.77/14,407.67
6. Step 6: Final answer
   x = 15,468.88