Finding the Fourth Proportional to 71,960.52, 99,217.26 and 59,169

Step by Step Solution

1. Step 1: Write the proportion equation
   71,960.52 : 99,217.26 = 59,169 : x
2. Step 2: Convert to fraction form
   71,960.52/99,217.26 = 59,169/x
3. Step 3: Cross multiply
   71,960.52x = 99,217.26 × 59,169
4. Step 4: Simplify right side
   71,960.52x = 5,870,586,056.94
5. Step 5: Solve for x
   x = 5,870,586,056.94/71,960.52
6. Step 6: Final answer
   x = 81,580.65