Finding the Fourth Proportional to 21,649.98, 32,486.37 and 15,365.46

Step by Step Solution

1. Step 1: Write the proportion equation
   21,649.98 : 32,486.37 = 15,365.46 : x
2. Step 2: Convert to fraction form
   21,649.98/32,486.37 = 15,365.46/x
3. Step 3: Cross multiply
   21,649.98x = 32,486.37 × 15,365.46
4. Step 4: Simplify right side
   21,649.98x = 499,168,018.78
5. Step 5: Solve for x
   x = 499,168,018.78/21,649.98
6. Step 6: Final answer
   x = 23,056.28