Finding the Fourth Proportional to 124,397.31, 186,600.83 and 30,905.49

Step by Step Solution

1. Step 1: Write the proportion equation
   124,397.31 : 186,600.83 = 30,905.49 : x
2. Step 2: Convert to fraction form
   124,397.31/186,600.83 = 30,905.49/x
3. Step 3: Cross multiply
   124,397.31x = 186,600.83 × 30,905.49
4. Step 4: Simplify right side
   124,397.31x = 5,766,989,931.03
5. Step 5: Solve for x
   x = 5,766,989,931.03/124,397.31
6. Step 6: Final answer
   x = 46,359.44