Finding the Fourth Proportional to 51,994.28, 71,752.56 and 33,131

Step by Step Solution

1. Step 1: Write the proportion equation
   51,994.28 : 71,752.56 = 33,131 : x
2. Step 2: Convert to fraction form
   51,994.28/71,752.56 = 33,131/x
3. Step 3: Cross multiply
   51,994.28x = 71,752.56 × 33,131
4. Step 4: Simplify right side
   51,994.28x = 2,377,234,065.36
5. Step 5: Solve for x
   x = 2,377,234,065.36/51,994.28
6. Step 6: Final answer
   x = 45,721.07