Finding the Fourth Proportional to 21,133.94, 29,164.88 and 11,443.51

Step by Step Solution

1. Step 1: Write the proportion equation
   21,133.94 : 29,164.88 = 11,443.51 : x
2. Step 2: Convert to fraction form
   21,133.94/29,164.88 = 11,443.51/x
3. Step 3: Cross multiply
   21,133.94x = 29,164.88 × 11,443.51
4. Step 4: Simplify right side
   21,133.94x = 333,748,392.89
5. Step 5: Solve for x
   x = 333,748,392.89/21,133.94
6. Step 6: Final answer
   x = 15,792.06