Finding the Fourth Proportional to 424,464.41, 636,477.50 and 124,906.07

Step by Step Solution

1. Step 1: Write the proportion equation
   424,464.41 : 636,477.50 = 124,906.07 : x
2. Step 2: Convert to fraction form
   424,464.41/636,477.50 = 124,906.07/x
3. Step 3: Cross multiply
   424,464.41x = 636,477.50 × 124,906.07
4. Step 4: Simplify right side
   424,464.41x = 79,499,899,361.51
5. Step 5: Solve for x
   x = 79,499,899,361.51/424,464.41
6. Step 6: Final answer
   x = 187,294.62