Finding the Fourth Proportional to 22,962.21, 34,440.89 and 11,239.89

Step by Step Solution

1. Step 1: Write the proportion equation
   22,962.21 : 34,440.89 = 11,239.89 : x
2. Step 2: Convert to fraction form
   22,962.21/34,440.89 = 11,239.89/x
3. Step 3: Cross multiply
   22,962.21x = 34,440.89 × 11,239.89
4. Step 4: Simplify right side
   22,962.21x = 387,111,758.90
5. Step 5: Solve for x
   x = 387,111,758.90/22,962.21
6. Step 6: Final answer
   x = 16,858.65