Finding the Fourth Proportional to 72,879.72, 109,387.92 and 37,367.49

Step by Step Solution

1. Step 1: Write the proportion equation
   72,879.72 : 109,387.92 = 37,367.49 : x
2. Step 2: Convert to fraction form
   72,879.72/109,387.92 = 37,367.49/x
3. Step 3: Cross multiply
   72,879.72x = 109,387.92 × 37,367.49
4. Step 4: Simplify right side
   72,879.72x = 4,087,552,006.72
5. Step 5: Solve for x
   x = 4,087,552,006.72/72,879.72
6. Step 6: Final answer
   x = 56,086.27