Finding the Fourth Proportional to 28,081.88, 38,741.46 and 16,142.48

Step by Step Solution

1. Step 1: Write the proportion equation
   28,081.88 : 38,741.46 = 16,142.48 : x
2. Step 2: Convert to fraction form
   28,081.88/38,741.46 = 16,142.48/x
3. Step 3: Cross multiply
   28,081.88x = 38,741.46 × 16,142.48
4. Step 4: Simplify right side
   28,081.88x = 625,383,243.22
5. Step 5: Solve for x
   x = 625,383,243.22/28,081.88
6. Step 6: Final answer
   x = 22,269.99