Finding the Fourth Proportional to 72,960.93, 100,684.72 and 41,129.85

Step by Step Solution

1. Step 1: Write the proportion equation
   72,960.93 : 100,684.72 = 41,129.85 : x
2. Step 2: Convert to fraction form
   72,960.93/100,684.72 = 41,129.85/x
3. Step 3: Cross multiply
   72,960.93x = 100,684.72 × 41,129.85
4. Step 4: Simplify right side
   72,960.93x = 4,141,147,430.89
5. Step 5: Solve for x
   x = 4,141,147,430.89/72,960.93
6. Step 6: Final answer
   x = 56,758.42