Finding the Fourth Proportional to 124,426.56, 186,640.50 and 30,932.31

Step by Step Solution

1. Step 1: Write the proportion equation
   124,426.56 : 186,640.50 = 30,932.31 : x
2. Step 2: Convert to fraction form
   124,426.56/186,640.50 = 30,932.31/x
3. Step 3: Cross multiply
   124,426.56x = 186,640.50 × 30,932.31
4. Step 4: Simplify right side
   124,426.56x = 5,773,222,620.45
5. Step 5: Solve for x
   x = 5,773,222,620.45/124,426.56
6. Step 6: Final answer
   x = 46,398.63