Finding the Fourth Proportional to 53,081.96, 79,634.46 and 16,145

Step by Step Solution

1. Step 1: Write the proportion equation
   53,081.96 : 79,634.46 = 16,145 : x
2. Step 2: Convert to fraction form
   53,081.96/79,634.46 = 16,145/x
3. Step 3: Cross multiply
   53,081.96x = 79,634.46 × 16,145
4. Step 4: Simplify right side
   53,081.96x = 1,285,698,356.70
5. Step 5: Solve for x
   x = 1,285,698,356.70/53,081.96
6. Step 6: Final answer
   x = 24,221.00