Finding the Fourth Proportional to 71,967.80, 99,333.36 and 49,035.54

Step by Step Solution

1. Step 1: Write the proportion equation
   71,967.80 : 99,333.36 = 49,035.54 : x
2. Step 2: Convert to fraction form
   71,967.80/99,333.36 = 49,035.54/x
3. Step 3: Cross multiply
   71,967.80x = 99,333.36 × 49,035.54
4. Step 4: Simplify right side
   71,967.80x = 4,870,864,947.61
5. Step 5: Solve for x
   x = 4,870,864,947.61/71,967.80
6. Step 6: Final answer
   x = 67,681.18