Finding the Fourth Proportional to 21,494.56, 32,259.62 and 10,972.36

Step by Step Solution

1. Step 1: Write the proportion equation
   21,494.56 : 32,259.62 = 10,972.36 : x
2. Step 2: Convert to fraction form
   21,494.56/32,259.62 = 10,972.36/x
3. Step 3: Cross multiply
   21,494.56x = 32,259.62 × 10,972.36
4. Step 4: Simplify right side
   21,494.56x = 353,964,164.10
5. Step 5: Solve for x
   x = 353,964,164.10/21,494.56
6. Step 6: Final answer
   x = 16,467.62