Finding the Fourth Proportional to 72,164.38, 99,589.93 and 40,333.29

Step by Step Solution

1. Step 1: Write the proportion equation
   72,164.38 : 99,589.93 = 40,333.29 : x
2. Step 2: Convert to fraction form
   72,164.38/99,589.93 = 40,333.29/x
3. Step 3: Cross multiply
   72,164.38x = 99,589.93 × 40,333.29
4. Step 4: Simplify right side
   72,164.38x = 4,016,789,527.77
5. Step 5: Solve for x
   x = 4,016,789,527.77/72,164.38
6. Step 6: Final answer
   x = 55,661.66