Finding the Fourth Proportional to 53,874.55, 80,816.51 and 16,443.06

Step by Step Solution

1. Step 1: Write the proportion equation
   53,874.55 : 80,816.51 = 16,443.06 : x
2. Step 2: Convert to fraction form
   53,874.55/80,816.51 = 16,443.06/x
3. Step 3: Cross multiply
   53,874.55x = 80,816.51 × 16,443.06
4. Step 4: Simplify right side
   53,874.55x = 1,328,870,722.92
5. Step 5: Solve for x
   x = 1,328,870,722.92/53,874.55
6. Step 6: Final answer
   x = 24,666.02