Finding the Fourth Proportional to 21,377.65, 32,073.39 and 10,282.89

Step by Step Solution

1. Step 1: Write the proportion equation
   21,377.65 : 32,073.39 = 10,282.89 : x
2. Step 2: Convert to fraction form
   21,377.65/32,073.39 = 10,282.89/x
3. Step 3: Cross multiply
   21,377.65x = 32,073.39 × 10,282.89
4. Step 4: Simplify right side
   21,377.65x = 329,806,929.52
5. Step 5: Solve for x
   x = 329,806,929.52/21,377.65
6. Step 6: Final answer
   x = 15,427.65