Finding the Fourth Proportional to 72,651.29, 108,976.23 and 43,047.81

Step by Step Solution

1. Step 1: Write the proportion equation
   72,651.29 : 108,976.23 = 43,047.81 : x
2. Step 2: Convert to fraction form
   72,651.29/108,976.23 = 43,047.81/x
3. Step 3: Cross multiply
   72,651.29x = 108,976.23 × 43,047.81
4. Step 4: Simplify right side
   72,651.29x = 4,691,188,043.56
5. Step 5: Solve for x
   x = 4,691,188,043.56/72,651.29
6. Step 6: Final answer
   x = 64,571.30