Finding the Fourth Proportional to 21,488.67, 32,218.71 and 10,962.51

Step by Step Solution

1. Step 1: Write the proportion equation
   21,488.67 : 32,218.71 = 10,962.51 : x
2. Step 2: Convert to fraction form
   21,488.67/32,218.71 = 10,962.51/x
3. Step 3: Cross multiply
   21,488.67x = 32,218.71 × 10,962.51
4. Step 4: Simplify right side
   21,488.67x = 353,197,930.56
5. Step 5: Solve for x
   x = 353,197,930.56/21,488.67
6. Step 6: Final answer
   x = 16,436.47