Finding the Fourth Proportional to 72,514.18, 108,782.79 and 30,961.54

Step by Step Solution

1. Step 1: Write the proportion equation
   72,514.18 : 108,782.79 = 30,961.54 : x
2. Step 2: Convert to fraction form
   72,514.18/108,782.79 = 30,961.54/x
3. Step 3: Cross multiply
   72,514.18x = 108,782.79 × 30,961.54
4. Step 4: Simplify right side
   72,514.18x = 3,368,082,703.90
5. Step 5: Solve for x
   x = 3,368,082,703.90/72,514.18
6. Step 6: Final answer
   x = 46,447.23