Finding the Fourth Proportional to 21,056.51, 29,056.56 and 11,625.27

Step by Step Solution

1. Step 1: Write the proportion equation
   21,056.51 : 29,056.56 = 11,625.27 : x
2. Step 2: Convert to fraction form
   21,056.51/29,056.56 = 11,625.27/x
3. Step 3: Cross multiply
   21,056.51x = 29,056.56 × 11,625.27
4. Step 4: Simplify right side
   21,056.51x = 337,790,355.27
5. Step 5: Solve for x
   x = 337,790,355.27/21,056.51
6. Step 6: Final answer
   x = 16,042.09