Finding the Fourth Proportional to 21,443.81, 32,148.53 and 10,193.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,443.81 : 32,148.53 = 10,193.50 : x
2. Step 2: Convert to fraction form
   21,443.81/32,148.53 = 10,193.50/x
3. Step 3: Cross multiply
   21,443.81x = 32,148.53 × 10,193.50
4. Step 4: Simplify right side
   21,443.81x = 327,705,909.22
5. Step 5: Solve for x
   x = 327,705,909.22/21,443.81
6. Step 6: Final answer
   x = 15,282.08