Finding the Fourth Proportional to 21,929.86, 32,907.75 and 10,837.72

Step by Step Solution

1. Step 1: Write the proportion equation
   21,929.86 : 32,907.75 = 10,837.72 : x
2. Step 2: Convert to fraction form
   21,929.86/32,907.75 = 10,837.72/x
3. Step 3: Cross multiply
   21,929.86x = 32,907.75 × 10,837.72
4. Step 4: Simplify right side
   21,929.86x = 356,644,980.33
5. Step 5: Solve for x
   x = 356,644,980.33/21,929.86
6. Step 6: Final answer
   x = 16,262.98