Finding the Fourth Proportional to 88,273.72, 132,403.29 and 40,879

Step by Step Solution

1. Step 1: Write the proportion equation
   88,273.72 : 132,403.29 = 40,879 : x
2. Step 2: Convert to fraction form
   88,273.72/132,403.29 = 40,879/x
3. Step 3: Cross multiply
   88,273.72x = 132,403.29 × 40,879
4. Step 4: Simplify right side
   88,273.72x = 5,412,514,091.91
5. Step 5: Solve for x
   x = 5,412,514,091.91/88,273.72
6. Step 6: Final answer
   x = 61,315.12