Finding the Fourth Proportional to 72,341.37, 108,380.84 and 53,412.89

Step by Step Solution

1. Step 1: Write the proportion equation
   72,341.37 : 108,380.84 = 53,412.89 : x
2. Step 2: Convert to fraction form
   72,341.37/108,380.84 = 53,412.89/x
3. Step 3: Cross multiply
   72,341.37x = 108,380.84 × 53,412.89
4. Step 4: Simplify right side
   72,341.37x = 5,788,933,076.06
5. Step 5: Solve for x
   x = 5,788,933,076.06/72,341.37
6. Step 6: Final answer
   x = 80,022.44