Finding the Fourth Proportional to 21,412.81, 32,100.76 and 10,304.22

Step by Step Solution

1. Step 1: Write the proportion equation
   21,412.81 : 32,100.76 = 10,304.22 : x
2. Step 2: Convert to fraction form
   21,412.81/32,100.76 = 10,304.22/x
3. Step 3: Cross multiply
   21,412.81x = 32,100.76 × 10,304.22
4. Step 4: Simplify right side
   21,412.81x = 330,773,293.21
5. Step 5: Solve for x
   x = 330,773,293.21/21,412.81
6. Step 6: Final answer
   x = 15,447.45