Finding the Fourth Proportional to 124,327.65, 186,491.31 and 57,731.37

Step by Step Solution

1. Step 1: Write the proportion equation
   124,327.65 : 186,491.31 = 57,731.37 : x
2. Step 2: Convert to fraction form
   124,327.65/186,491.31 = 57,731.37/x
3. Step 3: Cross multiply
   124,327.65x = 186,491.31 × 57,731.37
4. Step 4: Simplify right side
   124,327.65x = 10,766,398,819.39
5. Step 5: Solve for x
   x = 10,766,398,819.39/124,327.65
6. Step 6: Final answer
   x = 86,596.98