Finding the Fourth Proportional to 53,814.78, 80,734.46 and 16,380.16

Step by Step Solution

1. Step 1: Write the proportion equation
   53,814.78 : 80,734.46 = 16,380.16 : x
2. Step 2: Convert to fraction form
   53,814.78/80,734.46 = 16,380.16/x
3. Step 3: Cross multiply
   53,814.78x = 80,734.46 × 16,380.16
4. Step 4: Simplify right side
   53,814.78x = 1,322,443,088.58
5. Step 5: Solve for x
   x = 1,322,443,088.58/53,814.78
6. Step 6: Final answer
   x = 24,573.98