Finding the Fourth Proportional to 51,933.15, 71,667.38 and 30,711.96

Step by Step Solution

1. Step 1: Write the proportion equation
   51,933.15 : 71,667.38 = 30,711.96 : x
2. Step 2: Convert to fraction form
   51,933.15/71,667.38 = 30,711.96/x
3. Step 3: Cross multiply
   51,933.15x = 71,667.38 × 30,711.96
4. Step 4: Simplify right side
   51,933.15x = 2,201,045,784.64
5. Step 5: Solve for x
   x = 2,201,045,784.64/51,933.15
6. Step 6: Final answer
   x = 42,382.29