Finding the Fourth Proportional to 71,280.72, 98,370.81 and 41,070.69

Step by Step Solution

1. Step 1: Write the proportion equation
   71,280.72 : 98,370.81 = 41,070.69 : x
2. Step 2: Convert to fraction form
   71,280.72/98,370.81 = 41,070.69/x
3. Step 3: Cross multiply
   71,280.72x = 98,370.81 × 41,070.69
4. Step 4: Simplify right side
   71,280.72x = 4,040,157,042.56
5. Step 5: Solve for x
   x = 4,040,157,042.56/71,280.72
6. Step 6: Final answer
   x = 56,679.52