Finding the Fourth Proportional to 21,522.69, 32,293.62 and 10,987.14

Step by Step Solution

1. Step 1: Write the proportion equation
   21,522.69 : 32,293.62 = 10,987.14 : x
2. Step 2: Convert to fraction form
   21,522.69/32,293.62 = 10,987.14/x
3. Step 3: Cross multiply
   21,522.69x = 32,293.62 × 10,987.14
4. Step 4: Simplify right side
   21,522.69x = 354,814,524.05
5. Step 5: Solve for x
   x = 354,814,524.05/21,522.69
6. Step 6: Final answer
   x = 16,485.60