Finding the Fourth Proportional to 21,427.99, 32,162.71 and 10,342.48

Step by Step Solution

1. Step 1: Write the proportion equation
   21,427.99 : 32,162.71 = 10,342.48 : x
2. Step 2: Convert to fraction form
   21,427.99/32,162.71 = 10,342.48/x
3. Step 3: Cross multiply
   21,427.99x = 32,162.71 × 10,342.48
4. Step 4: Simplify right side
   21,427.99x = 332,642,210.78
5. Step 5: Solve for x
   x = 332,642,210.78/21,427.99
6. Step 6: Final answer
   x = 15,523.73