Finding the Fourth Proportional to 72,443.42, 100,067.99 and 60,383.48

Step by Step Solution

1. Step 1: Write the proportion equation
   72,443.42 : 100,067.99 = 60,383.48 : x
2. Step 2: Convert to fraction form
   72,443.42/100,067.99 = 60,383.48/x
3. Step 3: Cross multiply
   72,443.42x = 100,067.99 × 60,383.48
4. Step 4: Simplify right side
   72,443.42x = 6,042,453,421.06
5. Step 5: Solve for x
   x = 6,042,453,421.06/72,443.42
6. Step 6: Final answer
   x = 83,409.28