Finding the Fourth Proportional to 72,264.72, 108,403.56 and 19,674.48

Step by Step Solution

1. Step 1: Write the proportion equation
   72,264.72 : 108,403.56 = 19,674.48 : x
2. Step 2: Convert to fraction form
   72,264.72/108,403.56 = 19,674.48/x
3. Step 3: Cross multiply
   72,264.72x = 108,403.56 × 19,674.48
4. Step 4: Simplify right side
   72,264.72x = 2,132,783,673.15
5. Step 5: Solve for x
   x = 2,132,783,673.15/72,264.72
6. Step 6: Final answer
   x = 29,513.48