Finding the Fourth Proportional to 22,059.48, 30,441.60 and 11,987.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,059.48 : 30,441.60 = 11,987.82 : x
2. Step 2: Convert to fraction form
   22,059.48/30,441.60 = 11,987.82/x
3. Step 3: Cross multiply
   22,059.48x = 30,441.60 × 11,987.82
4. Step 4: Simplify right side
   22,059.48x = 364,928,421.31
5. Step 5: Solve for x
   x = 364,928,421.31/22,059.48
6. Step 6: Final answer
   x = 16,542.93