Finding the Fourth Proportional to 72,910.56, 100,609.38 and 41,085.12

Step by Step Solution

1. Step 1: Write the proportion equation
   72,910.56 : 100,609.38 = 41,085.12 : x
2. Step 2: Convert to fraction form
   72,910.56/100,609.38 = 41,085.12/x
3. Step 3: Cross multiply
   72,910.56x = 100,609.38 × 41,085.12
4. Step 4: Simplify right side
   72,910.56x = 4,133,548,450.43
5. Step 5: Solve for x
   x = 4,133,548,450.43/72,910.56
6. Step 6: Final answer
   x = 56,693.41