Finding the Fourth Proportional to 21,019.37, 29,006.96 and 11,588.27

Step by Step Solution

1. Step 1: Write the proportion equation
   21,019.37 : 29,006.96 = 11,588.27 : x
2. Step 2: Convert to fraction form
   21,019.37/29,006.96 = 11,588.27/x
3. Step 3: Cross multiply
   21,019.37x = 29,006.96 × 11,588.27
4. Step 4: Simplify right side
   21,019.37x = 336,140,426.42
5. Step 5: Solve for x
   x = 336,140,426.42/21,019.37
6. Step 6: Final answer
   x = 15,991.94