Finding the Fourth Proportional to 72,514.62, 108,767.52 and 43,119.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,514.62 : 108,767.52 = 43,119.50 : x
2. Step 2: Convert to fraction form
   72,514.62/108,767.52 = 43,119.50/x
3. Step 3: Cross multiply
   72,514.62x = 108,767.52 × 43,119.50
4. Step 4: Simplify right side
   72,514.62x = 4,690,001,078.64
5. Step 5: Solve for x
   x = 4,690,001,078.64/72,514.62
6. Step 6: Final answer
   x = 64,676.63