Finding the Fourth Proportional to 21,459.86, 32,196.79 and 10,367.82

Step by Step Solution

1. Step 1: Write the proportion equation
   21,459.86 : 32,196.79 = 10,367.82 : x
2. Step 2: Convert to fraction form
   21,459.86/32,196.79 = 10,367.82/x
3. Step 3: Cross multiply
   21,459.86x = 32,196.79 × 10,367.82
4. Step 4: Simplify right side
   21,459.86x = 333,810,536.26
5. Step 5: Solve for x
   x = 333,810,536.26/21,459.86
6. Step 6: Final answer
   x = 15,555.11