Finding the Fourth Proportional to 72,764.72, 109,189 and 30,641.52

Step by Step Solution

1. Step 1: Write the proportion equation
   72,764.72 : 109,189 = 30,641.52 : x
2. Step 2: Convert to fraction form
   72,764.72/109,189 = 30,641.52/x
3. Step 3: Cross multiply
   72,764.72x = 109,189 × 30,641.52
4. Step 4: Simplify right side
   72,764.72x = 3,345,716,927.28
5. Step 5: Solve for x
   x = 3,345,716,927.28/72,764.72
6. Step 6: Final answer
   x = 45,979.93