Finding the Fourth Proportional to 21,346.41, 32,035.37 and 10,259.49

Step by Step Solution

1. Step 1: Write the proportion equation
   21,346.41 : 32,035.37 = 10,259.49 : x
2. Step 2: Convert to fraction form
   21,346.41/32,035.37 = 10,259.49/x
3. Step 3: Cross multiply
   21,346.41x = 32,035.37 × 10,259.49
4. Step 4: Simplify right side
   21,346.41x = 328,666,506.86
5. Step 5: Solve for x
   x = 328,666,506.86/21,346.41
6. Step 6: Final answer
   x = 15,396.80