Finding the Fourth Proportional to 72,764.24, 109,188.22 and 30,641

Step by Step Solution

1. Step 1: Write the proportion equation
   72,764.24 : 109,188.22 = 30,641 : x
2. Step 2: Convert to fraction form
   72,764.24/109,188.22 = 30,641/x
3. Step 3: Cross multiply
   72,764.24x = 109,188.22 × 30,641
4. Step 4: Simplify right side
   72,764.24x = 3,345,636,249.02
5. Step 5: Solve for x
   x = 3,345,636,249.02/72,764.24
6. Step 6: Final answer
   x = 45,979.13